diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 5a4fcf6b62..f17b4df0a2 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -180,6 +180,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     case AV_CODEC_ID_TRUEMOTION2: maxpixels  /= 1024;  break;
     case AV_CODEC_ID_VP7:         maxpixels  /= 256;   break;
     case AV_CODEC_ID_VP9:         maxpixels  /= 4096;  break;
+    case AV_CODEC_ID_WMV3IMAGE:   maxpixels  /= 8192;  break;
     case AV_CODEC_ID_ZEROCODEC:   maxpixels  /= 128;   break;
     }