diff --git a/src/ipmiblob/blob_handler.cpp b/src/ipmiblob/blob_handler.cpp
index 2b79e19..039b7e0 100644
--- a/src/ipmiblob/blob_handler.cpp
+++ b/src/ipmiblob/blob_handler.cpp
@@ -48,7 +48,7 @@
 
     std::copy(ipmiPhosphorOen.begin(), ipmiPhosphorOen.end(),
               std::back_inserter(request));
-    request.push_back(command);
+    request.push_back(static_cast<std::uint8_t>(command));
 
     if (payload.size() > 0)
     {
diff --git a/src/ipmiblob/blob_handler.hpp b/src/ipmiblob/blob_handler.hpp
index 5e24b91..68708d8 100644
--- a/src/ipmiblob/blob_handler.hpp
+++ b/src/ipmiblob/blob_handler.hpp
@@ -11,21 +11,6 @@
 class BlobHandler : public BlobInterface
 {
   public:
-    enum BlobOEMCommands
-    {
-        bmcBlobGetCount = 0,
-        bmcBlobEnumerate = 1,
-        bmcBlobOpen = 2,
-        bmcBlobRead = 3,
-        bmcBlobWrite = 4,
-        bmcBlobCommit = 5,
-        bmcBlobClose = 6,
-        bmcBlobDelete = 7,
-        bmcBlobStat = 8,
-        bmcBlobSessionStat = 9,
-        bmcBlobWriteMeta = 10,
-    };
-
     /**
      * Create a BlobInterface pointer for use given an ipmi handler.
      *
diff --git a/src/ipmiblob/blob_interface.hpp b/src/ipmiblob/blob_interface.hpp
index 26ca837..fbd8c6a 100644
--- a/src/ipmiblob/blob_interface.hpp
+++ b/src/ipmiblob/blob_interface.hpp
@@ -7,6 +7,21 @@
 namespace ipmiblob
 {
 
+enum class BlobOEMCommands : std::uint8_t
+{
+    bmcBlobGetCount = 0,
+    bmcBlobEnumerate = 1,
+    bmcBlobOpen = 2,
+    bmcBlobRead = 3,
+    bmcBlobWrite = 4,
+    bmcBlobCommit = 5,
+    bmcBlobClose = 6,
+    bmcBlobDelete = 7,
+    bmcBlobStat = 8,
+    bmcBlobSessionStat = 9,
+    bmcBlobWriteMeta = 10,
+};
+
 struct StatResponse
 {
     std::uint16_t blob_state;
diff --git a/test/tools_blob_unittest.cpp b/test/tools_blob_unittest.cpp
index e9f2c96..3afb61b 100644
--- a/test/tools_blob_unittest.cpp
+++ b/test/tools_blob_unittest.cpp
@@ -44,7 +44,8 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobGetCount};
+        0xcf, 0xc2, 0x00,
+        static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobGetCount)};
 
     /* return 1 blob count. */
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00, 0x00, 0x00,
@@ -66,8 +67,10 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobEnumerate,
-        0x00, 0x00, 0x01, 0x00,
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobEnumerate),
+        0x00, 0x00,
+        0x01, 0x00,
         0x00, 0x00};
 
     /* return value. */
@@ -92,8 +95,10 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobEnumerate,
-        0x00, 0x00, 0x01, 0x00,
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobEnumerate),
+        0x00, 0x00,
+        0x01, 0x00,
         0x00, 0x00};
 
     /* return value. */
@@ -115,7 +120,8 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request1 = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobGetCount};
+        0xcf, 0xc2, 0x00,
+        static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobGetCount)};
 
     /* return 1 blob count. */
     std::vector<std::uint8_t> resp1 = {0xcf, 0xc2, 0x00, 0x00, 0x00,
@@ -127,8 +133,10 @@
     EXPECT_CALL(*ipmiMock, sendPacket(Eq(request1))).WillOnce(Return(resp1));
 
     std::vector<std::uint8_t> request2 = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobEnumerate,
-        0x00, 0x00, 0x00, 0x00,
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobEnumerate),
+        0x00, 0x00,
+        0x00, 0x00,
         0x00, 0x00};
 
     /* return value. */
@@ -157,9 +165,12 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobStat,
-        0x00, 0x00, 'a',  'b',
-        'c',  'd',  0x00};
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobStat),
+        0x00, 0x00,
+        'a',  'b',
+        'c',  'd',
+        0x00};
 
     /* return blob_state: 0xffff, size: 0x00, metadata 0x3445 */
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00, 0x00, 0x00, 0xff, 0xff,
@@ -189,9 +200,12 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobStat,
-        0x00, 0x00, 'a',  'b',
-        'c',  'd',  0x00};
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobStat),
+        0x00, 0x00,
+        'a',  'b',
+        'c',  'd',
+        0x00};
 
     /* return blob_state: 0xffff, size: 0x00, metadata 0x3445 */
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00, 0x00, 0x00, 0xff,
@@ -222,8 +236,10 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobSessionStat,
-        0x00, 0x00, 0x01, 0x00};
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobSessionStat),
+        0x00, 0x00,
+        0x01, 0x00};
 
     /* return blob_state: 0xffff, size: 0x00, metadata 0x3445 */
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00, 0x00, 0x00, 0xff,
@@ -254,9 +270,12 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobOpen,
-        0x00, 0x00, 0x02, 0x04,
-        'a',  'b',  'c',  'd',
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobOpen),
+        0x00, 0x00,
+        0x02, 0x04,
+        'a',  'b',
+        'c',  'd',
         0x00};
 
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00, 0x00, 0x00, 0xfe, 0xed};
@@ -284,8 +303,10 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobClose,
-        0x00, 0x00, 0x01, 0x00};
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobClose),
+        0x00, 0x00,
+        0x01, 0x00};
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00};
     std::vector<std::uint8_t> reqCrc = {0x01, 0x00};
     EXPECT_CALL(crcMock, generateCrc(Eq(reqCrc))).WillOnce(Return(0x00));
@@ -304,8 +325,10 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobCommit,
-        0x00, 0x00, 0x01, 0x00,
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobCommit),
+        0x00, 0x00,
+        0x01, 0x00,
         0x00};
 
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00};
@@ -326,10 +349,14 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobWrite,
-        0x00, 0x00, 0x01, 0x00,
-        0x00, 0x00, 0x00, 0x00,
-        'a',  'b',  'c',  'd'};
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobWrite),
+        0x00, 0x00,
+        0x01, 0x00,
+        0x00, 0x00,
+        0x00, 0x00,
+        'a',  'b',
+        'c',  'd'};
 
     std::vector<std::uint8_t> bytes = {'a', 'b', 'c', 'd'};
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00};
@@ -351,10 +378,14 @@
     BlobHandler blob(std::move(ipmi));
 
     std::vector<std::uint8_t> request = {
-        0xcf, 0xc2, 0x00, BlobHandler::BlobOEMCommands::bmcBlobRead,
-        0x00, 0x00, 0x01, 0x00,
-        0x00, 0x00, 0x00, 0x00,
-        0x04, 0x00, 0x00, 0x00};
+        0xcf, 0xc2,
+        0x00, static_cast<std::uint8_t>(BlobOEMCommands::bmcBlobRead),
+        0x00, 0x00,
+        0x01, 0x00,
+        0x00, 0x00,
+        0x00, 0x00,
+        0x04, 0x00,
+        0x00, 0x00};
 
     std::vector<std::uint8_t> expectedBytes = {'a', 'b', 'c', 'd'};
     std::vector<std::uint8_t> resp = {0xcf, 0xc2, 0x00, 0x00, 0x00,