diff --git a/autogen.sh b/autogen.sh
index fd9c59a..0006de8 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,14 +1,14 @@
 #! /bin/sh
 
-srcdir=`dirname $0`
+srcdir=`dirname "$0"`
 test -z "$srcdir" && srcdir=.
 
 ORIGDIR=`pwd`
-cd $srcdir
+cd "$srcdir"
 
 autoreconf -v --install || exit 1
-cd $ORIGDIR || exit $?
+cd "$ORIGDIR" || exit $?
 
 if test -z "$NOCONFIGURE"; then
-    exec $srcdir/configure "$@"
+    exec "$srcdir"/configure "$@"
 fi