diff --git a/mode_perl.py b/mode_perl.py
index 4616ded..7571c01 100644
--- a/mode_perl.py
+++ b/mode_perl.py
@@ -178,7 +178,11 @@ class Perl(mode2.Fundamental):
             'string2.end':   color.build('green', 'default'),
         
             # `` strings
-            'evalstring': color.build('cyan', 'default'),
+            'evalstring.start.': color.build('cyan', 'default'),
+            'evalstring.null':   color.build('cyan', 'default'),
+            'string1.escaped':   color.build('magenta', 'default'),
+            'string1.deref':     color.build('yellow', 'default'),
+            'evalstring.end':    color.build('cyan', 'default'),
         
             # quoted region
             'quoted':       color.build('cyan', 'default'),