diff --git a/config.def.h b/config.def.h
index af66520..bf90c5f 100644
--- a/config.def.h
+++ b/config.def.h
@@ -3,7 +3,7 @@
 
 /* appearance */
 static const unsigned int borderpx  = 2;        /* border pixel of windows */
-static const Gap default_gap        = {.isgap = 1, .realgap = 15, .gappx = 15};
+static const Gap default_gap        = {.isgap = 1, .realgap = 10, .gappx = 10};
 static const unsigned int snap      = 5;       /* snap pixel */
 static const int swallowfloating    = 0;        /* 1 means swallow floating windows by default */
 static const int showbar            = 1;        /* 0 means no bar */