diff --git a/install_all.sh b/install_all.sh
index eedb96e..71ea1ce 100644
--- a/install_all.sh
+++ b/install_all.sh
@@ -7,6 +7,11 @@ then
 	echo "Usage: ${0##*/} linux-1.2.3.tar.gz"
 	exit 1
 fi
+if echo $PWD | grep -q :; then
+  echo "do not call this in a directory with : - make will fail"
+  exit 1
+fi
+
 kernel_dir="`tar -tf $1 | sed '1 {s@^.*[[:blank:]]@@;s@linux-@@;s@/.*$@@;s@^\([0-9]\+\.[0-9]\+\.[0-9]\+\)\(.*\)@\1@;p;Q}'`"
 header_dir="$PWD/linux-glibc-devel-$kernel_dir"
 if test -d "$kernel_dir"