diff --git a/libavcodec/g2meet.c b/libavcodec/g2meet.c
index 14dd05babc..fed35a271b 100644
--- a/libavcodec/g2meet.c
+++ b/libavcodec/g2meet.c
@@ -555,7 +555,7 @@ static uint32_t epic_decode_pixel_pred(ePICContext *dc, int x, int y,
         B     = ((pred >> B_shift) & 0xFF) - TOSIGNED(delta);
     }
 
-    if (R<0 || G<0 || B<0) {
+    if (R<0 || G<0 || B<0 || R > 255 || G > 255 || B > 255) {
         av_log(NULL, AV_LOG_ERROR, "RGB %d %d %d is out of range\n", R, G, B);
         return 0;
     }