diff --git a/src/cz/zipek/sqflint/parser/SQFParser.jj b/src/cz/zipek/sqflint/parser/SQFParser.jj
index 92ee303..ed8c4ff 100644
--- a/src/cz/zipek/sqflint/parser/SQFParser.jj
+++ b/src/cz/zipek/sqflint/parser/SQFParser.jj
@@ -154,12 +154,12 @@ TOKEN :
   < #EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ > |
   < STRING_LITERAL:
       "\""
-      ( (~["\"","\n","\r"]) )*
+      ( "\"\"" | (~["\"","\n","\r"]) )*
       "\""
   > |
   < STRING_LITERAL_OTHER:
       "'"
-      ( (~["\"","\\","\n","\r"]) )*
+      ( (~["\'","\\","\n","\r"]) )*
       "'"
   >
 }