diff --git a/gst-libs/gst/video/video.c b/gst-libs/gst/video/video.c
index 6635125b2e..d9fa50b229 100644
--- a/gst-libs/gst/video/video.c
+++ b/gst-libs/gst/video/video.c
@@ -566,9 +566,9 @@ gst_video_format_new_caps (GstVideoFormat format, int width,
   }
   if (gst_video_format_is_rgb (format)) {
     GstCaps *caps;
-    int red_mask;
-    int blue_mask;
-    int green_mask;
+    int red_mask = 0;
+    int blue_mask = 0;
+    int green_mask = 0;
     int alpha_mask;
     int depth;
     int bpp;