diff --git a/ChangeLog b/ChangeLog
index af6977f..b438544 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-04-12  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* entry.c [__ARM_ARCH_7EM__] (entry): Fix for Cortex-M4.
+
 2019-04-11  NIIBE Yutaka  <gniibe@fsij.org>
 
 	* chopstx-cortex-m.c: Support Cortex-M4 (not touching FPU).
diff --git a/entry.c b/entry.c
index 4547d54..8377972 100644
--- a/entry.c
+++ b/entry.c
@@ -73,7 +73,7 @@ main (int argc, const char *argv[])
 #endif
 
 extern uint8_t __main_stack_end__;
-#if defined(__ARM_ARCH_7M__)
+#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
 extern void svc (void);
 #endif
 extern void preempt (void);
@@ -169,7 +169,7 @@ entry (void)
 		"bl	chx_systick_init\n\t"
 		"bl	gpio_init\n\t"
 		/* Enable interrupts.  */
-#if defined(__ARM_ARCH_7M__)
+#if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
 		"mov	r0, #0\n\t"
 		"msr	BASEPRI, r0\n\t"
 #endif
@@ -199,7 +199,7 @@ handler vector_table[] __attribute__ ((section(".startup.vectors"))) = {
   none, none, none,		/* reserved */
 #if defined(__ARM_ARCH_6M__)
   none,				/* SVCall */
-#elif defined(__ARM_ARCH_7M__)
+#elif defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
   svc,				/* SVCall */
 #endif  
   none,				/* Debug */
diff --git a/example-led/Makefile b/example-led/Makefile
index 66d311d..2e9af44 100644
--- a/example-led/Makefile
+++ b/example-led/Makefile
@@ -26,9 +26,9 @@ OBJCOPY   = $(CROSS)objcopy
 
 ### MCU   = cortex-m3
 ### MCU   = cortex-m0
-MCU   = cortex-m3
+MCU   = cortex-m4
 CWARN = -Wall -Wextra -Wstrict-prototypes
-DEFS  = -DUSE_SYS3 -DFREE_STANDING -DMHZ=48
+DEFS  = -DUSE_SYS3 -DFREE_STANDING -DMHZ=80
 ### DEFS  = -DFREE_STANDING -DUSE_SYS3 -DBUSY_LOOP -DCHX_FLAGS_MAIN=CHOPSTX_SCHED_RR
 OPT   = -O3 -Os -g
 LIBS  =