diff --git a/test/testaudioinfo.c b/test/testaudioinfo.c
index 340aac685..9e3bfcdf7 100644
--- a/test/testaudioinfo.c
+++ b/test/testaudioinfo.c
@@ -47,7 +47,7 @@ print_devices(int iscapture)
 int
 main(int argc, char **argv)
 {
-    char *deviceName;
+    char *deviceName = NULL;
     SDL_AudioSpec spec;
     int n;