diff --git a/framework/test/fuzztest/framework_fuzzer/support/posix_fuzzer/posix_fuzzer.cpp b/framework/test/fuzztest/framework_fuzzer/support/posix_fuzzer/posix_fuzzer.cpp
index 91baa98c3ffbe9af257d65b0d63c3666408cfc06..d15b551a28d032f0987cb502684c7c2787792da3 100644
--- a/framework/test/fuzztest/framework_fuzzer/support/posix_fuzzer/posix_fuzzer.cpp
+++ b/framework/test/fuzztest/framework_fuzzer/support/posix_fuzzer/posix_fuzzer.cpp
@@ -118,7 +118,9 @@ void FuncOsalSpinLock(const uint8_t *data, size_t size)
 void FuncOsalTime(const uint8_t *data, size_t size)
 {
     OsalGetTime(NULL);
-    OsalTimespec start, end, diff;
+    OsalTimespec start;
+    OsalTimespec end;
+    OsalTimespec diff;
     OsalGetTime(&start);
     OsalGetTime(&end);
     OsalDiffTime(&start, &end, &diff);