--- modules/codec/spudec/parse.c
+++ modules/codec/spudec/parse.c
@@ -705,6 +705,13 @@ static void Render( decoder_t *p_dec, subpicture_t *p_spu,
             p_spu_data->pi_alpha[i_x] << 4;
     }
 
+    if( !fmt.i_width || !fmt.i_height )
+    {
+       msg_Err( p_dec, "Invalid SPU region detected: %ix%i. Skipping.",
+                fmt.i_width, fmt.i_height);
+        return;
+    }
+
     p_spu->p_region = subpicture_region_New( &fmt );
     if( !p_spu->p_region )
     {