diff --git a/motorApp/MotorSrc/motorRecord.cc b/motorApp/MotorSrc/motorRecord.cc
index 635c62de..0232685d 100644
--- a/motorApp/MotorSrc/motorRecord.cc
+++ b/motorApp/MotorSrc/motorRecord.cc
@@ -175,7 +175,7 @@ HeadURL:        $URL$
 
 /*----------------debugging-----------------*/
 
-#if (TOOL_FAMILY == gnu)
+#if defined(TOOL_FAMILY) && (TOOL_FAMILY == gnu)
     #ifdef  DEBUG
         #define Debug(l, f, args...) {if (l <= motorRecordDebug) printf(f, ## args);}
     #else