diff --git a/src/video/imx.c b/src/video/imx.c
index 5faf279..3d83f32 100644
--- a/src/video/imx.c
+++ b/src/video/imx.c
@@ -84,6 +84,11 @@ bool video_imx_init() {
 }
 
 static void decoder_renderer_setup(int videoFormat, int width, int height, int redrawRate, void* context, int drFlags) {
+  if (videoFormat != VIDEO_FORMAT_H264) {
+    fprintf(stderr, "Video format not supported\n");
+    exit(1);
+  }
+
   struct mxcfb_gbl_alpha alpha;
 
   dbuf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
diff --git a/src/video/pi.c b/src/video/pi.c
index 8d8f6b7..d5b87e9 100644
--- a/src/video/pi.c
+++ b/src/video/pi.c
@@ -54,6 +54,11 @@ static int port_settings_changed;
 static int first_packet;
 
 static void decoder_renderer_setup(int videoFormat, int width, int height, int redrawRate, void* context, int drFlags) {
+  if (videoFormat != VIDEO_FORMAT_H264) {
+    fprintf(stderr, "Video format not supported\n");
+    exit(1);
+  }
+
   bcm_host_init();
   gs_sps_init(width, height);
 
diff --git a/src/video/sdl.c b/src/video/sdl.c
index 70a0e62..519553e 100644
--- a/src/video/sdl.c
+++ b/src/video/sdl.c
@@ -33,6 +33,11 @@
 static char* ffmpeg_buffer;
 
 static void sdl_setup(int videoFormat, int width, int height, int redrawRate, void* context, int drFlags) {
+  if (videoFormat != VIDEO_FORMAT_H264) {
+    fprintf(stderr, "Video format not supported\n");
+    exit(1);
+  }
+
   int avc_flags = SLICE_THREADING;
   if (drFlags && FORCE_HARDWARE_ACCELERATION)
     avc_flags |= HARDWARE_ACCELERATION;