diff --git a/scripts/pwsh.sh b/scripts/pwsh.sh
index 90c3bf8..953b237 100755
--- a/scripts/pwsh.sh
+++ b/scripts/pwsh.sh
@@ -4,7 +4,7 @@ env-share 2> /dev/null
 
 #	try to use system-wide version first.
 PWSH='/mnt/c/Program Files/PowerShell/7/pwsh.exe'
-if [ -x "$PWSH" ]; then
+if [ ! -x "$PWSH" ]; then
 	unset PWSH
 fi