diff --git a/reactos/tools/rbuild/rbuild.h b/reactos/tools/rbuild/rbuild.h
index dccde484c31..c40ea2e4ce0 100644
--- a/reactos/tools/rbuild/rbuild.h
+++ b/reactos/tools/rbuild/rbuild.h
@@ -14,7 +14,7 @@
 #define SSEP "\\"
 #define SBAD_SEP "/"
 #else
-#define EXEPOSTFIX
+#define EXEPOSTFIX ""
 #define CSEP '/'
 #define CBAD_SEP '\\'
 #define SSEP "/"