diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 16d08ac551..d2d7e21dac 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -280,7 +280,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     case AV_CODEC_ID_RSCC:        maxpixels  /= 256;   break;
     case AV_CODEC_ID_RASC:        maxpixels  /= 16;    break;
     case AV_CODEC_ID_RTV1:        maxpixels  /= 16;    break;
-    case AV_CODEC_ID_RV30:        maxpixels  /= 16;    break;
+    case AV_CODEC_ID_RV30:        maxpixels  /= 256;   break;
     case AV_CODEC_ID_SANM:        maxpixels  /= 16;    break;
     case AV_CODEC_ID_SCPR:        maxpixels  /= 32;    break;
     case AV_CODEC_ID_SCREENPRESSO:maxpixels  /= 64;    break;