diff --git a/autogen.sh b/autogen.sh
index ee7ec12e..31f08af5 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -2,7 +2,7 @@
 # Run this to generate the configure script
 set -e
 
-srcdir=`dirname $0`
+srcdir=$(dirname "$0")
 test -n "$srcdir" && cd "$srcdir"
 
 if ! {