diff --git a/test/fuzztest/epolliowaiter_fuzzer/epolliowaiter_fuzzer.cpp b/test/fuzztest/epolliowaiter_fuzzer/epolliowaiter_fuzzer.cpp
index f30dccd87d8b8474144ba6eb2f358c4a8e126fbf..ccd7418f70636fdf0cfc6a2eb06f1cbc5c99f4d8 100644
--- a/test/fuzztest/epolliowaiter_fuzzer/epolliowaiter_fuzzer.cpp
+++ b/test/fuzztest/epolliowaiter_fuzzer/epolliowaiter_fuzzer.cpp
@@ -48,7 +48,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
         return 0;
     }
 
-    char* ch = (char *)malloc(size + 1);
+    char* ch = static_cast<char *>(malloc(size + 1));
     if (ch == nullptr) {
         return 0;
     }
diff --git a/test/fuzztest/eventhandler_fuzzer/eventhandler_fuzzer.cpp b/test/fuzztest/eventhandler_fuzzer/eventhandler_fuzzer.cpp
index e2b15f67d48a6336fdbfbd5cbbca6e9f2a52c0d6..bcbf5cfa78ae42bdd8e5873ae026f09ea72c5137 100644
--- a/test/fuzztest/eventhandler_fuzzer/eventhandler_fuzzer.cpp
+++ b/test/fuzztest/eventhandler_fuzzer/eventhandler_fuzzer.cpp
@@ -73,7 +73,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
         return 0;
     }
 
-    char* ch = (char *)malloc(size + 1);
+    char* ch = static_cast<char *>(malloc(size + 1));
     if (ch == nullptr) {
         return 0;
     }
diff --git a/test/fuzztest/eventhandlerannex_fuzzer/eventhandlerannex_fuzzer.cpp b/test/fuzztest/eventhandlerannex_fuzzer/eventhandlerannex_fuzzer.cpp
index fa1f0edb6924ef45357e34e5199da0d82e5ddeb0..2e5c9f261075c5da1a21e3eb4305cce8eb5bab27 100644
--- a/test/fuzztest/eventhandlerannex_fuzzer/eventhandlerannex_fuzzer.cpp
+++ b/test/fuzztest/eventhandlerannex_fuzzer/eventhandlerannex_fuzzer.cpp
@@ -50,7 +50,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
         return 0;
     }
 
-    char* ch = (char *)malloc(size + 1);
+    char* ch = static_cast<char *>(malloc(size + 1));
     if (ch == nullptr) {
         return 0;
     }
diff --git a/test/fuzztest/nativeimplementeventhandler_fuzzer/nativeimplementeventhandler_fuzzer.cpp b/test/fuzztest/nativeimplementeventhandler_fuzzer/nativeimplementeventhandler_fuzzer.cpp
index 899917bd981398e5e716104a10302fe404bc7984..1c076b976ac6b172d935f39f599ac70b5658001a 100644
--- a/test/fuzztest/nativeimplementeventhandler_fuzzer/nativeimplementeventhandler_fuzzer.cpp
+++ b/test/fuzztest/nativeimplementeventhandler_fuzzer/nativeimplementeventhandler_fuzzer.cpp
@@ -49,7 +49,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
         return 0;
     }
 
-    char* ch = (char *)malloc(size + 1);
+    char* ch = static_cast<char *>(malloc(size + 1));
     if (ch == nullptr) {
         return 0;
     }