diff --git a/tools/configure b/tools/configure
index bf89d88929..666343d0a3 100755
--- a/tools/configure
+++ b/tools/configure
@@ -180,7 +180,7 @@ if [ -z "$target" ]; then
   esac
 fi
 
-if [ "-" == "$extra_defines" ]; then
+if [ "-" = "$extra_defines" ]; then
  if [  "-DARCHOS_RECORDER" = "$target" ] ; then
   
   echo "Loadable fonts support? (N)"