diff --git a/include/rde/rde_handler.hpp b/include/rde/rde_handler.hpp
index 59a8f0a..b11c4b8 100644
--- a/include/rde/rde_handler.hpp
+++ b/include/rde/rde_handler.hpp
@@ -88,11 +88,11 @@
     uint8_t operationType;
 
     // OperationFlags bits
-    uint8_t locatorValid : 1;
-    uint8_t containsRequestPayload : 1;
-    uint8_t containsCustomRequestParameters : 1;
+    uint8_t locatorValid:1;
+    uint8_t containsRequestPayload:1;
+    uint8_t containsCustomRequestParameters:1;
 
-    uint8_t reserved : 5;
+    uint8_t reserved:5;
     uint32_t sendDataTransferHandle;
     uint8_t operationLocatorLength;
     uint32_t requestPayloadLength;