diff --git a/example/main.cpp b/example/main.cpp
index af6607e01ff5f017de63554aa41a49f3dc57f22a..933d72783eebbf0bac90a90e298075371e5099eb 100644
--- a/example/main.cpp
+++ b/example/main.cpp
@@ -983,7 +983,7 @@ int main (int argc, char * const argv[]) {
 
     test_finish();
 
-#ifndef __APPLE___
+#ifndef __APPLE__
     printf("Test finished (validation only available on Mac OS X)! Total number of errors: %d\n", total_errors);
 #endif