diff --git a/bin/tools/pre-commit-hook b/bin/tools/pre-commit-hook
index be4bb69b24..9b5a394fde 100755
--- a/bin/tools/pre-commit-hook
+++ b/bin/tools/pre-commit-hook
@@ -97,8 +97,8 @@ dieOnBadFiles()
 #
 checkIllegalCode()
 {
-    reBad="(N""abla|"$'\t'")"
-    msgBad="N""abla or <TAB>"
+    reBad="(N""abla|"$'\t'"|"$'\r\n'")"
+    msgBad="N""abla, <TAB>, or DOS-style line ending"
 
     badFiles=$(
     for f in $fileList
@@ -219,4 +219,5 @@ checkLineLength
 
 
 exit 0
+
 #------------------------------------------------------------------------------