diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 5e6ed169d1..dc72fd8b5d 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -54,7 +54,7 @@
 #include "libavcodec/bytestream.h"
 #include "libavformat/avformat.h"
 
-#include <FuzzerInterface.h>
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
 
 static void error(const char *err)
 {