diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 6fb53d5ab2..a1e660a63f 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -140,6 +140,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         // Cliping in C, generally slow even with small input
     case AV_CODEC_ID_INDEO4:    maxpixels /= 128; break;
     case AV_CODEC_ID_LSCR:        maxpixels /= 16; break;
+    case AV_CODEC_ID_MOTIONPIXELS:maxpixels /= 256; break;
     case AV_CODEC_ID_TRUEMOTION2: maxpixels /= 1024; break;
     }