diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 29e0b63231..97f4f73d6b 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -213,6 +213,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     case AV_CODEC_ID_ARBC:        maxpixels  /= 1024;  break;
     case AV_CODEC_ID_ARGO:        maxpixels  /= 1024;  break;
     case AV_CODEC_ID_BINKVIDEO:   maxpixels  /= 32;    break;
+    case AV_CODEC_ID_CDTOONS:     maxpixels  /= 1024;  break;
     case AV_CODEC_ID_CFHD:        maxpixels  /= 16384; break;
     case AV_CODEC_ID_COOK:        maxsamples /= 1<<20; break;
     case AV_CODEC_ID_DFA:         maxpixels  /= 1024;  break;