diff --git a/ChangeLog b/ChangeLog
index 89a0b43cdd..4871cead56 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Apr 22 16:18:30 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* vm_evalbody.c (DECL_SC_REG): typo fixed.
+
 Tue Apr 22 15:25:04 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (struct timespec): needs time.h according to POSIX.
diff --git a/vm_evalbody.c b/vm_evalbody.c
index 8496bcc63a..06164a414b 100644
--- a/vm_evalbody.c
+++ b/vm_evalbody.c
@@ -14,7 +14,7 @@
 #if VMDEBUG > 0
 #define DECL_SC_REG(type, r, reg) register type reg_##r
 
-#elif __GNUC__ && __x86_64
+#elif __GNUC__ && __x86_64__
 #define DECL_SC_REG(type, r, reg) register type reg_##r asm("r" reg)
 
 #elif __GNUC__ && __i386__