diff --git a/ChangeLog b/ChangeLog
index 0563a751d5..1d92fd64e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #18822]
+	* include/fpu_control.h (__setfpucw): Add attribute_hidden.
+
 2017-10-01  H.J. Lu  <hongjiu.lu@intel.com>
 
 	[BZ #18822]
diff --git a/include/fpu_control.h b/include/fpu_control.h
index 4498a83b87..5c6b386278 100644
--- a/include/fpu_control.h
+++ b/include/fpu_control.h
@@ -4,7 +4,7 @@
 # ifndef _ISOMAC
 
 /* Called at startup.  It can be used to manipulate fpu control register.  */
-extern void __setfpucw (fpu_control_t);
+extern void __setfpucw (fpu_control_t) attribute_hidden;
 
 # endif /* !_ISOMAC */
 #endif /* fpu_control.h */