diff --git a/SCons/Config/gnu b/SCons/Config/gnu
index 7afc3dde..8831fd0d 100644
--- a/SCons/Config/gnu
+++ b/SCons/Config/gnu
@@ -11,7 +11,7 @@ defenv['RCCOM'] = '$RC $RCINCFLAGS $RCINCPREFIX $SOURCE.dir $RCFLAGS -i $SOURCE
 ### cross compiling
 
 def cross_env(env):
-	if env['PLATFORM'] != 'win32'
+	if env['PLATFORM'] != 'win32':
 		env.Tool('crossmingw', toolpath = ['../Tools'])
 
 ### flags