diff --git a/makefile b/makefile
index 85b6a14..7e20ced 100644
--- a/makefile
+++ b/makefile
@@ -1,7 +1,7 @@
 ICONSIZES := 16 24 32 48 64 72 96 128 256
 IMGMAGICK := $(shell command -v convert 2> /dev/null)
-DESTDIR := /
-PREFIX := /usr/local
+DESTDIR := 
+PREFIX := usr/local
 define \n
 
 
@@ -9,27 +9,27 @@ endef
 
 install: GBM.exe $(foreach size,$(ICONSIZES),gbm_$(size)x$(size).png)
 #rename it in a way, it can easily started from terminal
-	install -d $(DESTDIR)$(PREFIX)/bin;
-	install gbm.sh $(DESTDIR)$(PREFIX)/bin/gbm;
-	install -d $(DESTDIR)$(PREFIX)/share/gbm/;
-	install GBM.exe $(DESTDIR)$(PREFIX)/share/gbm/;
+	install -d $(DESTDIR)/$(PREFIX)/bin;
+	install gbm.sh $(DESTDIR)/$(PREFIX)/bin/gbm;
+	install -d $(DESTDIR)/$(PREFIX)/share/gbm/;
+	install GBM.exe $(DESTDIR)/$(PREFIX)/share/gbm/;
 #install icon in different sizes
-	$(foreach size,$(ICONSIZES),install -d $(DESTDIR)$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/;$(\n))
-	$(foreach size,$(ICONSIZES),install -m644 gbm_$(size)x$(size).png $(DESTDIR)$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/gbm.png;$(\n))
+	$(foreach size,$(ICONSIZES),install -d $(DESTDIR)/$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/;$(\n))
+	$(foreach size,$(ICONSIZES),install -m644 gbm_$(size)x$(size).png $(DESTDIR)/$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/gbm.png;$(\n))
 #install .desktop file, which is used for running gbm from desktop and menus
-	install -d $(DESTDIR)$(PREFIX)/share/applications/
-	install -m644 gbm.desktop $(DESTDIR)$(PREFIX)/share/applications/gbm.desktop
-ifeq ($(DESTDIR),/)
+	install -d $(DESTDIR)/$(PREFIX)/share/applications/
+	install -m644 gbm.desktop $(DESTDIR)/$(PREFIX)/share/applications/gbm.desktop
+ifeq ($(DESTDIR),)
 		-xdg-icon-resource forceupdate --mode system;
 		-xdg-desktop-menu forceupdate --mode system;
 endif
 
-uninstall: $(DESTDIR)$(PREFIX)/bin/gbm
-	-rm $(DESTDIR)$(PREFIX)/bin/gbm;
-	-rm -r $(DESTDIR)$(PREFIX)/share/gbm/;
-	$(foreach size,$(ICONSIZES),-rm $(DESTDIR)$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/gbm.png;$(\n))
-	-rm $(DESTDIR)$(PREFIX)/share/applications/gbm.desktop
-ifeq ($(DESTDIR),/)
+uninstall: $(DESTDIR)/$(PREFIX)/bin/gbm
+	-rm $(DESTDIR)/$(PREFIX)/bin/gbm;
+	-rm -r $(DESTDIR)/$(PREFIX)/share/gbm/;
+	$(foreach size,$(ICONSIZES),-rm $(DESTDIR)/$(PREFIX)/share/icons/hicolor/$(size)x$(size)/apps/gbm.png;$(\n))
+	-rm $(DESTDIR)/$(PREFIX)/share/applications/gbm.desktop
+ifeq ($(DESTDIR),)
 		-xdg-icon-resource forceupdate --mode system;
 		-xdg-desktop-menu forceupdate --mode system;
 endif