diff --git a/config.def.h b/config.def.h
index 5af9a91..b46b03b 100644
--- a/config.def.h
+++ b/config.def.h
@@ -6,7 +6,7 @@
  * font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
  */
 static char *font = "mono:pixelsize=16:antialias=true:autohint=true";
-static char *font2[] = "IBM Plex Mono:pixelsize=16:antialias=true:autohint=true";
+static char *font2[] = { "IBM Plex Mono:pixelsize=16:antialias=true:autohint=true"; }
 static int borderpx = 2;
 
 /*