diff --git a/config.h b/config.h
index 32cf413..b909de5 100644
--- a/config.h
+++ b/config.h
@@ -30,7 +30,7 @@ static const Rule rules[] = {
 	/* class     instance  title           tags mask  isfloating  isterminal  noswallow  monitor */
 	{ "Gimp",    NULL,     NULL,           0,         1,          0,           0,        -1 },
 	{ "Firefox", NULL,     NULL,           1 << 8,    0,          0,          -1,        -1 },
-	{ "St",      NULL,     NULL,           0,         0,          1,           0,        -1 },
+	{ "st",      NULL,     NULL,           0,         0,          1,           0,        -1 },
 	{ NULL,      NULL,     "Event Tester", 0,         0,          0,           1,        -1 }, /* xev */
 };
 
@@ -49,7 +49,7 @@ static const Layout layouts[] = {
 };
 
 /* key definitions */
-#define MODKEY Mod1Mask
+#define MODKEY Mod4Mask
 #define TAGKEYS(KEY,TAG) \
 	{ MODKEY,                       KEY,      view,           {.ui = 1 << TAG} }, \
 	{ MODKEY|ControlMask,           KEY,      toggleview,     {.ui = 1 << TAG} }, \