diff --git a/reactos/tools/ssprintf.cpp b/reactos/tools/ssprintf.cpp
index ff2b6d1fea3..f4d9fc84504 100644
--- a/reactos/tools/ssprintf.cpp
+++ b/reactos/tools/ssprintf.cpp
@@ -46,7 +46,7 @@ inline int iswdigit ( wchar_t c )
 #include <ieee.h>
 #endif
 
-#if defined(__FreeBSD__) || defined(__APPLE__) defined(__sun__) || defined(__CYGWIN__)
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__sun__) || defined(__CYGWIN__)
 # define __isnan isnan
 # define __finite finite
 # define powl __builtin_powl