diff --git a/common.h b/common.h
index 862e0b4db..ac795937c 100644
--- a/common.h
+++ b/common.h
@@ -416,6 +416,15 @@ please https://github.com/xianyi/OpenBLAS/issues/246
 #include "common_alpha.h"
 #endif
 
+#if (defined(ARCH_X86) || defined(ARCH_X86_64)) && defined(__CET__) && defined(__has_include)
+#if __has_include(<cet.h>)
+#include <cet.h>
+#endif
+#endif
+#ifndef _CET_ENDBR
+#define _CET_ENDBR
+#endif
+
 #ifdef ARCH_X86
 #include "common_x86.h"
 #endif
diff --git a/common_x86.h b/common_x86.h
index ec928e236..bc77eca58 100644
--- a/common_x86.h
+++ b/common_x86.h
@@ -340,7 +340,8 @@ REALNAME:
 	.align 16; \
 	.globl REALNAME ;\
        .type REALNAME, @function; \
-REALNAME:
+REALNAME: \
+	_CET_ENDBR
 
 #ifdef PROFILE
 #define PROFCODE call mcount
diff --git a/common_x86_64.h b/common_x86_64.h
index b813336c6..729a055ce 100644
--- a/common_x86_64.h
+++ b/common_x86_64.h
@@ -451,7 +451,8 @@ REALNAME:
 	.align 512; \
 	.globl REALNAME ;\
        .type REALNAME, @function; \
-REALNAME:
+REALNAME: \
+	_CET_ENDBR
 
 #ifdef PROFILE
 #define PROFCODE call *mcount@GOTPCREL(%rip)