diff --git a/configure b/configure
index ed1990607f3dd531ef65fbd9d517bb14348ed5ae..ca7affa55181215f0727634bccca4fa69c226787 100755
--- a/configure
+++ b/configure
@@ -493,7 +493,7 @@ process_toolchain() {
         check_add_cflags -Wpointer-arith
         check_add_cflags -Wtype-limits
         check_add_cflags -Wcast-qual
-        enabled extra_warnings || check_add_cflags -Wno-unused
+        enabled extra_warnings || check_add_cflags -Wno-unused-function
     fi
 
     if enabled icc; then