diff --git a/tools/winapi/winapi_test b/tools/winapi/winapi_test
index 8c566776e31..fd801572894 100755
--- a/tools/winapi/winapi_test
+++ b/tools/winapi/winapi_test
@@ -419,7 +419,7 @@ foreach my $file (@files) {
 	} elsif ($preprocessor =~ /^\#\s*ifdef\s+_WIN64/) {
             push @ifdefs, ($pointer_size == 8);
 	} elsif ($preprocessor =~ /^\#\s*ifndef\s+_WIN64/) {
-            push @ifdefs, ($pointer_size == 4);
+            push @ifdefs, ($pointer_size != 8);
 	} elsif ($preprocessor =~ /^\#\s*elif\s+defined\s*\(\s*_WIN64\s*\)/) {
             $ifdefs[$#ifdefs] = ($pointer_size == 8);
 	} elsif ($preprocessor =~ /^\#\s*ifdef\s/) {