diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index d6838fb35b..b943423db5 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) {
     case AV_CODEC_ID_BINKVIDEO: maxpixels /= 32; break;
     case AV_CODEC_ID_DIRAC:     maxpixels /= 8192; break;
     case AV_CODEC_ID_DXV:       maxpixels /= 32;  break;
+    case AV_CODEC_ID_FFWAVESYNTH: maxsamples /= 16384; break;
     case AV_CODEC_ID_MSRLE:     maxpixels /= 16;  break;
     case AV_CODEC_ID_QTRLE:     maxpixels /= 16;  break;
     case AV_CODEC_ID_SANM:      maxpixels /= 16;  break;