diff --git a/json-lexer.c b/json-lexer.c
index 0b145d125c..5cc7e6c9a9 100644
--- a/json-lexer.c
+++ b/json-lexer.c
@@ -97,6 +97,8 @@ static const uint8_t json_lexer[][256] =  {
         ['n'] =  IN_DQ_STRING,
         ['r'] =  IN_DQ_STRING,
         ['t'] =  IN_DQ_STRING,
+        ['/'] = IN_DQ_STRING,
+        ['\\'] = IN_DQ_STRING,
         ['\''] = IN_DQ_STRING,
         ['\"'] = IN_DQ_STRING,
         ['u'] = IN_DQ_UCODE0,
@@ -134,6 +136,8 @@ static const uint8_t json_lexer[][256] =  {
         ['n'] =  IN_SQ_STRING,
         ['r'] =  IN_SQ_STRING,
         ['t'] =  IN_SQ_STRING,
+        ['/'] = IN_DQ_STRING,
+        ['\\'] = IN_DQ_STRING,
         ['\''] = IN_SQ_STRING,
         ['\"'] = IN_SQ_STRING,
         ['u'] = IN_SQ_UCODE0,