diff --git a/gcc/testsuite/gcc.target/i386/avx-round-vec.c b/gcc/testsuite/gcc.target/i386/avx-round-vec.c
index d9514c17ddb..4cfb11ba7cd 100644
--- a/gcc/testsuite/gcc.target/i386/avx-round-vec.c
+++ b/gcc/testsuite/gcc.target/i386/avx-round-vec.c
@@ -7,7 +7,7 @@
 
 #include <math.h>
 
-extern double floor (double);
+extern double round (double);
 
 #define NUM 64