diff --git a/Makefile b/Makefile
index 8e40ad1..f82fded 100644
--- a/Makefile
+++ b/Makefile
@@ -10,9 +10,9 @@
 #
 
 VERSION	=	1.3
-prefix	=	/usr/local
-bindir	=	$(DESTDIR)$(prefix)/bin
-mandir	=	$(DESTDIR)$(prefix)/share/man
+prefix	=	$(DESTDIR)/usr/local
+bindir	=	$(prefix)/bin
+mandir	=	$(prefix)/share/man
 
 CC	=	gcc
 CFLAGS	=	-Os -g -Wall '-DVERSION="$(VERSION)"'
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 347f04c..4e590ee 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -16,10 +16,11 @@ icon: mmd-128.png
 
 apps:
     mmdutil:
-        command: usr/local/bin/mmdutil
+        command: bin/mmdutil
         plugs: [home]
 
 parts:
     main:
         plugin: make
         source: .
+        make-install-var: prefix