diff --git a/configure b/configure
index d49594e..1daeb23 100755
--- a/configure
+++ b/configure
@@ -21,8 +21,8 @@ echo "Size: $SIZE"
 echo "Start x: $DEFX"
 echo "Start y: $DEFY"
 
-if [ ! test -d config ]; then
-    if [ test-f config ]; then
+if ! test -d config; then
+    if test -f config; then
         rm config
     fi
     mkdir config