diff --git a/build/getlib.sh.in b/build/getlib.sh.in
index 6ff194dceb..db10f6726c 100755
--- a/build/getlib.sh.in
+++ b/build/getlib.sh.in
@@ -5,10 +5,10 @@ ZCAT=@ZCAT@
 WGET=@WGET@
 CURL=@CURL@
 
-if [ -f $WGET ] ; then
+if [ -f "$WGET" ] ; then
     DOWNLOAD_CMD=$WGET
 else
-    if [ -f $CURL ] ; then
+    if [ -f "$CURL" ] ; then
         DOWNLOAD_CMD="$CURL -O"
     fi
 fi