diff --git a/pmd-python/etc/grammar/python.jj b/pmd-python/etc/grammar/python.jj
index 60f723870c..1f97f9d948 100644
--- a/pmd-python/etc/grammar/python.jj
+++ b/pmd-python/etc/grammar/python.jj
@@ -52,6 +52,7 @@ TOKEN : /* SEPARATORS */
 |   < COMMA: "," >
 |   < DOT: "." >
 |   < COLON: ":" >
+|   < BACKTICK: "`" >
 }
 
 
@@ -280,4 +281,4 @@ MORE : /* Strings */
 |   <"\r"> { image.setCharAt(image.length()-1, '\n'); }
 |   <~["\n","\r"]>
 |   <"\\" ~["\n","\r"]>
-}
\ No newline at end of file
+}