diff --git a/src/testprogram/testprogram.c b/src/testprogram/testprogram.c
index 1c5b62a..14abebe 100644
--- a/src/testprogram/testprogram.c
+++ b/src/testprogram/testprogram.c
@@ -36,9 +36,9 @@ static void online_group_state_changed(H3270 GNUC_UNUSED(*hSession), void GNUC_U
 
 int main(int argc, char *argv[])
 {
-#ifdef DEBUG
-	printf("Process %s running on pid %u\n",argv[0],(unsigned int) GetCurrentProcessId());
-#endif // DEBUG
+#ifdef _WIN32
+	debug("Process %s running on pid %u\n",argv[0],(unsigned int) GetCurrentProcessId());
+#endif // _WIN32
 
 #ifdef LC_ALL
 	setlocale( LC_ALL, "" );
--
libgit2 0.21.2