diff --git a/Inc/mmr_can_optimize.h b/Inc/mmr_can_optimize.h
index 5f04c9a..a3094b2 100644
--- a/Inc/mmr_can_optimize.h
+++ b/Inc/mmr_can_optimize.h
@@ -7,4 +7,4 @@
 #define always_inline inline
 #endif
 
-#endif /* INC_OPTIMIZE_H_ */
+#endif /* INC_MMR_CAN_OPTIMIZE_H_ */
diff --git a/Inc/mmr_can_util.h b/Inc/mmr_can_util.h
index 95cbbe8..a0f8efe 100644
--- a/Inc/mmr_can_util.h
+++ b/Inc/mmr_can_util.h
@@ -11,4 +11,4 @@ size_t stringBufferLength(uint8_t *buffer, size_t maxLen) {
   return strnlen((const char*)buffer, maxLen);
 }
 
-#endif /* INC_UTIL_H_ */
+#endif /* INC_MMR_CAN_UTIL_H_ */