X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=sbcl-pwd.sh;h=c9d13c311cdd63a1428967e6f3cf35e0b10c5bf8;hb=4082dec495e763a94e24e9a688523810f96e6541;hp=487a5d5cc2e8e70a8bcd43f5b896d7a6291a6e4d;hpb=a129450e9b56cee8e307fc5c320105fe00ba45b7;p=sbcl.git

diff --git a/sbcl-pwd.sh b/sbcl-pwd.sh
index 487a5d5..c9d13c3 100644
--- a/sbcl-pwd.sh
+++ b/sbcl-pwd.sh
@@ -4,7 +4,7 @@
 # This ensures that SBCL_PWD is a path understandable to SBCL.
 
 sbcl_pwd() {
-    case $OSTYPE in
+    case "${OSTYPE:-}" in
         cygwin)
             SBCL_PWD="`cygpath -m \"$(pwd)\"`" ;;
         msys)