diff --git a/winpr/libwinpr/utils/test/TestBacktrace.c b/winpr/libwinpr/utils/test/TestBacktrace.c
index 9d5a80b4c..2857f315b 100644
--- a/winpr/libwinpr/utils/test/TestBacktrace.c
+++ b/winpr/libwinpr/utils/test/TestBacktrace.c
@@ -1,4 +1,4 @@
-// #include <stdio.h>
+#include <stdio.h>
 #include <winpr/debug.h>
 
 int TestBacktrace(int argc, char* argv[])