diff --git a/config.h b/config.h
index ae5119f..747d9a0 100644
--- a/config.h
+++ b/config.h
@@ -2,7 +2,7 @@
 
 /* Constants */
 #define TERMINAL "st"
-#define TERM_CAP "St"
+#define TERMCLASS "St"
 
 /* appearance */
 static const unsigned int borderpx  = 3;        /* border pixel of windows */
@@ -51,7 +51,7 @@ static const Rule rules[] = {
 	*/
 	/* class    instance      title       	 tags mask    isfloating   isterminal  noswallow  monitor */
 	{ "Gimp",     NULL,       NULL,       	    1 << 8,       0,           0,         0,        -1 },
-	{ TERM_CAP,   NULL,       NULL,       	    0,            0,           1,         0,        -1 },
+	{ TERMCLASS,   NULL,       NULL,       	    0,            0,           1,         0,        -1 },
 	{ NULL,       NULL,       "Event Tester",   0,            0,           0,         1,        -1 },
 	{ NULL,      "spterm",    NULL,       	    SPTAG(0),     1,           1,         0,        -1 },
 	{ NULL,      "spcalc",    NULL,       	    SPTAG(1),     1,           1,         0,        -1 },