diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index ad936ad32f..624186f3f6 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -8,11 +8,13 @@ ldouble: 2
 
 Function: "acos_downward":
 double: 1
+float: 1
 float128: 1
 ldouble: 2
 
 Function: "acos_towardzero":
 double: 1
+float: 1
 float128: 1
 ldouble: 2