diff --git a/autogen.sh b/autogen.sh
index da95aaa..774c96d 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -13,5 +13,5 @@ git config --local --get format.subjectPrefix ||
     git config --local format.subjectPrefix "PATCH libXfont"
 
 if test -z "$NOCONFIGURE"; then
-    $srcdir/configure "$@"
+    exec $srcdir/configure "$@"
 fi