diff --git a/cwCommonImpl.h b/cwCommonImpl.h
index 7b59c59..703f2f0 100644
--- a/cwCommonImpl.h
+++ b/cwCommonImpl.h
@@ -138,8 +138,8 @@ namespace cw
 {
 
   
-#define cwAssert(C) while(1){ if(!(C)){ cwLogFatal(kAssertFailRC,"Assert failed on condition:%s",#C ); } break; }
-
+#define cwAssert(C)       while(1){ if(!(C)) { cwLogFatal(kAssertFailRC,"Assert failed on condition:%s",#C ); } break; }
+#define cwRuntimeCheck(C) while(1){ if(!(C)) { rc=cwLogError(kAssertFailRC,"Runtime error check failed on condition:%s",#C); goto errLabel; } break; }