diff --git a/subprojects/gstreamer-vaapi/tests/internal/test-filter.c b/subprojects/gstreamer-vaapi/tests/internal/test-filter.c
index dbe47c10ba..b3487e0973 100644
--- a/subprojects/gstreamer-vaapi/tests/internal/test-filter.c
+++ b/subprojects/gstreamer-vaapi/tests/internal/test-filter.c
@@ -328,7 +328,7 @@ main (int argc, char *argv[])
   guint deinterlace_flags = 0;
   guint filter_flags = 0;
   guint surface_flags = 0;
-  gdouble denoise_level, sharpen_level;
+  gdouble denoise_level = 0, sharpen_level = 0;
   GError *error = NULL;
 
   static const guint src_width = 320;