diff --git a/config.def.h b/config.def.h
index 9d75215..8d49cc5 100644
--- a/config.def.h
+++ b/config.def.h
@@ -57,7 +57,7 @@ static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
 
 static const char ptagf[] = "%s-%s";	/* format of a tag label */
 static const char etagf[] = "%s";	/* format of an empty tag */
-static const int lcaselbl = 1;		/* 1 means make tag label lowercase */	
+static const int lcaselbl = 0;		/* 1 means make tag label lowercase */	
 static const Rule rules[] = {
 	/* class     instance  title           tags mask  isfloating isterminal noswallow   monitor */
 	{ "St",       NULL,      NULL,           0,         0,       1,         0,          -1 },