diff --git a/ChangeLog b/ChangeLog
index d2b0b76578..e41c3e7330 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-10-21  Joseph Myers  <joseph@codesourcery.com>
+
+	* benchtests/Makefile (CFLAGS-bench-sqrt.c): New variable.
+
 2016-10-21  Paul E. Murphy  <murphyp@linux.vnet.ibm.com>
 
 	* sysdeps/powerpc/fpu/fenv_private.h:
diff --git a/benchtests/Makefile b/benchtests/Makefile
index 144b32ea38..5a61522689 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -72,6 +72,7 @@ benchset := $(string-benchset-all) $(stdlib-benchset) $(stdio-common-benchset) \
 
 CFLAGS-bench-ffs.c += -fno-builtin
 CFLAGS-bench-ffsll.c += -fno-builtin
+CFLAGS-bench-sqrt.c += -fno-builtin
 
 bench-malloc := malloc-thread