diff --git a/jslistings.sty b/jslistings.sty
index 0408c33..3e6f946 100644
--- a/jslistings.sty
+++ b/jslistings.sty
@@ -41,7 +41,7 @@
     sensitive=true,
     stringstyle=\color{string}\ttfamily,
     morestring=[b]",
-    morestring=[d]',
+    morestring=[b]',
     morestring=[s][\color{string}\ttfamily]{`}{`},
     commentstyle=\color{red}\itshape,
     morecomment=[l][\color{allcomment}]{//},