diff --git a/arch/aarch64/bits/signal.h b/arch/aarch64/bits/signal.h
index 760a9f323bcbfce9d73824571659295d30db683e..b71261f56816b79708d7f875601d9e620a92ceb6 100644
--- a/arch/aarch64/bits/signal.h
+++ b/arch/aarch64/bits/signal.h
@@ -149,7 +149,5 @@ typedef struct __ucontext {
 #define SIGPWR    30
 #define SIGSYS    31
 #define SIGUNUSED SIGSYS
-#define SIGHOOK   36
-#define SIGUNHOOK 37
 
 #define _NSIG 65
diff --git a/arch/arm/bits/signal.h b/arch/arm/bits/signal.h
index 213e5fc23b9d825205c62abc323b83fac9c879ef..4906b4825c289e661710f32eeb3c98b417638fd5 100644
--- a/arch/arm/bits/signal.h
+++ b/arch/arm/bits/signal.h
@@ -82,7 +82,6 @@ typedef struct __ucontext {
 #define SIGPWR    30
 #define SIGSYS    31
 #define SIGUNUSED SIGSYS
-#define SIGHOOK   36
-#define SIGUNHOOK 37
+
 
 #define _NSIG 65
diff --git a/porting/linux/user/include/signal.h b/porting/linux/user/include/signal.h
index 40b227a5a585706e881a77248d81e9b4e40d10db..fc306f991e916e2235f47d55f97fbe86ad6ad06a 100644
--- a/porting/linux/user/include/signal.h
+++ b/porting/linux/user/include/signal.h
@@ -41,6 +41,7 @@ extern "C" {
 #define SI_USER 0
 #define SI_KERNEL 128
 
+
 typedef struct sigaltstack stack_t;
 
 #endif
@@ -196,9 +197,11 @@ int __libc_current_sigrtmax(void);
 #define SIGRTMAX  (__libc_current_sigrtmax())
 
 #define MUSL_SIGNAL_NATIVE_REMOTE (SIGRTMIN + 0)
-#define MUSL_SIGNAL_NATIVE_LOCAL (SIGRTMIN + 1)
-#define MUSL_SIGNAL_JSHEAP (SIGRTMIN + 2)
-#define MUSL_SIGNAL_JSHEAP_PRIV (SIGRTMIN + 3)
+#define MUSL_SIGNAL_HOOK (SIGRTMIN + 1)
+#define MUSL_SIGNAL_UNHOOK (SIGRTMIN + 2)
+#define MUSL_SIGNAL_NATIVE_LOCAL (SIGRTMIN + 3)
+#define MUSL_SIGNAL_JSHEAP (SIGRTMIN + 4)
+#define MUSL_SIGNAL_JSHEAP_PRIV (SIGRTMIN + 5)
 
 int kill(pid_t, int);
 int tgkill(int __tgid, int __tid, int __signal);
diff --git a/porting/linux/user/src/hook/musl_preinit.c b/porting/linux/user/src/hook/musl_preinit.c
index ac20cc74c89188f9c4d62a892ad4f21256a302ca..ba7286e2b12b73f51f5576cc9f21ea288d503035 100644
--- a/porting/linux/user/src/hook/musl_preinit.c
+++ b/porting/linux/user/src/hook/musl_preinit.c
@@ -357,14 +357,14 @@ static void __install_malloc_hook_signal_handler()
 	struct sigaction actionInstallHook = {};
 	actionInstallHook.sa_handler = __install_malloc_hook;
 	sigemptyset(&actionInstallHook.sa_mask);
-	sigaddset(&actionInstallHook.sa_mask, SIGUNHOOK);
-	sigaction(SIGHOOK, &actionInstallHook, NULL);
+	sigaddset(&actionInstallHook.sa_mask, MUSL_SIGNAL_UNHOOK);
+	sigaction(MUSL_SIGNAL_HOOK, &actionInstallHook, NULL);
 
 	struct sigaction actionDef = {};
 	actionDef.sa_handler = __uninstal_malloc_hook;
 	sigemptyset(&actionDef.sa_mask);
-	sigaddset(&actionDef.sa_mask, SIGHOOK);
-	sigaction(SIGUNHOOK, &actionDef, NULL);
+	sigaddset(&actionDef.sa_mask, MUSL_SIGNAL_HOOK);
+	sigaction(MUSL_SIGNAL_UNHOOK, &actionDef, NULL);
 }
 
 static void __initialize_malloc()