diff --git a/edxp-core/src/main/cpp/external/yahfa/src/trampoline.c b/edxp-core/src/main/cpp/external/yahfa/src/trampoline.c
index 6ca8f7fe..5b9eb8da 100644
--- a/edxp-core/src/main/cpp/external/yahfa/src/trampoline.c
+++ b/edxp-core/src/main/cpp/external/yahfa/src/trampoline.c
@@ -123,7 +123,7 @@ int doInitHookCap(unsigned int cap) {
     }
     unsigned int allSize = trampolineSize * cap;
     unsigned char *buf = mmap(NULL, allSize, PROT_READ | PROT_WRITE | PROT_EXEC,
-                              MAP_ANONYMOUS | MAP_PRIVATE, 0, 0);
+                              MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
     if (buf == MAP_FAILED) {
         LOGE("mmap failed, errno = %s", strerror(errno));
         return 1;