diff --git a/msys2/ps/user_setup.sh b/msys2/ps/user_setup.sh
index 1094c153a..1cb342ac0 100644
--- a/msys2/ps/user_setup.sh
+++ b/msys2/ps/user_setup.sh
@@ -1,4 +1,8 @@
 #!/bin/bash
+if ! (echo "$PWD" | grep -Eq  ^[a-zA-Z0-9\/\._\-]+$) ; then
+    echo "Error: Install path contains special characters!"
+	sleep infinity 
+fi
 
 MKPASSWD_CURRENT="$( mkpasswd -c )"
 MKGROUP_CURRENT="$( mkgroup -c )"