diff --git a/libraries/AP_CANManager/LogStructure.h b/libraries/AP_CANManager/LogStructure.h
index 3f2e2c33cc..502f3f38c2 100644
--- a/libraries/AP_CANManager/LogStructure.h
+++ b/libraries/AP_CANManager/LogStructure.h
@@ -56,9 +56,7 @@ struct PACKED log_CAFD {
     uint64_t data[8];
 };
 
-#if !AP_CAN_LOGGING_ENABLED
-#define LOG_STRUCTURE_FROM_CANMANAGER
-#else
+#if AP_CAN_LOGGING_ENABLED
 #define LOG_STRUCTURE_FROM_CANMANAGER \
     { LOG_CANF_MSG, sizeof(log_CANF), \
             "CANF", \
@@ -76,4 +74,6 @@ struct PACKED log_CAFD {
             "F"       "-"    "-"    "-"    "-"    "-"    "-"    "-"    "-"    "-"    "-"    "-", \
             false \
             },
+#else
+#define LOG_STRUCTURE_FROM_CANMANAGER
 #endif // AP_CAN_LOGGING_ENABLED