--- a/peg-e.pro	2018-05-29 13:01:32.000000000 +0200
+++ b/peg-e.pro	2018-07-11 20:15:46.151082792 +0200
@@ -75,7 +75,7 @@
 	RESOURCES = icons/icon.qrc
 
 	isEmpty(PREFIX) {
-		PREFIX = /usr/local
+		PREFIX = /usr
 	}
 	isEmpty(BINDIR) {
 		BINDIR = bin