diff --git a/test/Makefile.am b/test/Makefile.am
index b2fa580..f5fe63b 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -24,6 +24,7 @@
 handler_unittest_LDADD = $(PHOSPHOR_LOGGING_LIBS) \
 	$(top_builddir)/handler.o \
 	$(top_builddir)/binarystore.o \
+	$(top_builddir)/sys_file.o \
 	$(top_builddir)/libbinarystore_la-binaryblob.pb.o \
 	-lprotobuf
 handler_unittest_CXXFLAGS = $(PHOSPHOR_LOGGING_CFLAGS)
@@ -32,6 +33,7 @@
 handler_open_unittest_LDADD = $(PHOSPHOR_LOGGING_LIBS) \
 	$(top_builddir)/handler.o \
 	$(top_builddir)/binarystore.o \
+	$(top_builddir)/sys_file.o \
 	$(top_builddir)/libbinarystore_la-binaryblob.pb.o \
 	-lprotobuf
 handler_open_unittest_CXXFLAGS = $(PHOSPHOR_LOGGING_CFLAGS)
@@ -40,6 +42,7 @@
 handler_readwrite_unittest_LDADD = $(PHOSPHOR_LOGGING_LIBS) \
 	$(top_builddir)/handler.o \
 	$(top_builddir)/binarystore.o \
+	$(top_builddir)/sys_file.o \
 	$(top_builddir)/libbinarystore_la-binaryblob.pb.o \
 	-lprotobuf
 handler_readwrite_unittest_CXXFLAGS = $(PHOSPHOR_LOGGING_CFLAGS)
diff --git a/test/handler_unittest.hpp b/test/handler_unittest.hpp
index ded13eb..019c7ad 100644
--- a/test/handler_unittest.hpp
+++ b/test/handler_unittest.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "binarystore_mock.hpp"
+#include "fake_sys_file.hpp"
 #include "handler.hpp"
 
 #include <memory>
@@ -13,6 +14,7 @@
 using ::testing::Contains;
 
 using namespace std::string_literals;
+using namespace binstore;
 
 namespace blobs
 {
@@ -21,18 +23,19 @@
 {
   protected:
     BinaryStoreBlobHandlerTest() = default;
-    BinaryStoreBlobHandler handler;
 
-    std::unique_ptr<binstore::MockBinaryStore>
-        defaultMockStore(const std::string& baseId)
+    std::unique_ptr<MockBinaryStore> defaultMockStore(const std::string& baseId)
     {
-        return std::make_unique<binstore::MockBinaryStore>(baseId, 0, 0, 0);
+        return std::make_unique<MockBinaryStore>(
+            baseId, std::make_unique<FakeSysFile>(), 0);
     }
 
     void addDefaultStore(const std::string& baseId)
     {
         handler.addNewBinaryStore(defaultMockStore(baseId));
     }
+
+    BinaryStoreBlobHandler handler;
 };
 
 } // namespace blobs