diff --git a/configure.ac b/configure.ac
index c1b4212bc2..0bdb4dfa56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13191,7 +13191,7 @@ then
 fi
 
 
-if test "$ENABLED_ARC4" == "yes"
+if test "$ENABLED_ARC4" = "yes"
 then
     AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_ALLOW_RC4"
 fi