diff -Naur pd-mapper/Makefile pd-mapper-2/Makefile
--- pd-mapper/Makefile	2022-06-30 10:56:31.097813710 +0200
+++ pd-mapper-2/Makefile	2022-06-30 10:57:00.138383062 +0200
@@ -3,7 +3,7 @@
 CFLAGS := -Wall -g -O2
 LDFLAGS := -lqrtr
 
-prefix ?= /usr/local
+prefix ?= /usr
 bindir := $(prefix)/bin
 servicedir := $(prefix)/lib/systemd/system