diff --git a/src/st/st-theme-node.c b/src/st/st-theme-node.c
index 8b15a14dc6..904edf351b 100644
--- a/src/st/st-theme-node.c
+++ b/src/st/st-theme-node.c
@@ -2406,7 +2406,7 @@ font_family_from_terms (CRTerm *term,
           if (term->the_operator == NO_OP)
             g_string_append (family_string, " ");
           else
-            g_string_append (family_string, ", ");
+            g_string_append (family_string, ",");
         }
       else
         {