diff --git a/core/support.py b/core/support.py
index 7358d100..e3e33e1f 100755
--- a/core/support.py
+++ b/core/support.py
@@ -849,7 +849,7 @@ def typo(string, typography=''):
         typography = typography.replace('italic', '')
     if '_' in typography:
         string = ' ' + string
-        typography.replace('_', '')
+        typography = typography.replace('_', '')
     if '--' in typography:
         string = ' - ' + string
         typography = typography.replace('--', '')