diff --git a/shell/mergeText.sh b/shell/mergeText.sh
index b2ba5934d..3cd0a4819 100755
--- a/shell/mergeText.sh
+++ b/shell/mergeText.sh
@@ -22,8 +22,8 @@ else
 	if [ $? -ne 0 ]; then break; fi
 	read -u 4 header2
 	if [ $? -ne 0 ]; then break; fi
-	if [ $header1 != $header2 ]; then break; fi
-	echo "$header1" >> outputfile
+	if [ "$header1" != "$header2" ]; then break; fi
+	echo "$header1" >> $outputFile
 	((startLine++))
     done