diff --git a/include/Desktop/Makefile b/include/Desktop/Makefile
index 418ee3e..f7f47d6 100644
--- a/include/Desktop/Makefile
+++ b/include/Desktop/Makefile
@@ -15,21 +15,21 @@ distclean: clean
 
 install:
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- about.h $(DESTDIR)$(INCLUDEDIR)/Desktop/about.h
+	$(INSTALL) -m 0644 about.h $(DESTDIR)$(INCLUDEDIR)/Desktop/about.h
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- accel.h $(DESTDIR)$(INCLUDEDIR)/Desktop/accel.h
+	$(INSTALL) -m 0644 accel.h $(DESTDIR)$(INCLUDEDIR)/Desktop/accel.h
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- compat.h $(DESTDIR)$(INCLUDEDIR)/Desktop/compat.h
+	$(INSTALL) -m 0644 compat.h $(DESTDIR)$(INCLUDEDIR)/Desktop/compat.h
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- help.h $(DESTDIR)$(INCLUDEDIR)/Desktop/help.h
+	$(INSTALL) -m 0644 help.h $(DESTDIR)$(INCLUDEDIR)/Desktop/help.h
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- menubar.h $(DESTDIR)$(INCLUDEDIR)/Desktop/menubar.h
+	$(INSTALL) -m 0644 menubar.h $(DESTDIR)$(INCLUDEDIR)/Desktop/menubar.h
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- message.h $(DESTDIR)$(INCLUDEDIR)/Desktop/message.h
+	$(INSTALL) -m 0644 message.h $(DESTDIR)$(INCLUDEDIR)/Desktop/message.h
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- mime.h $(DESTDIR)$(INCLUDEDIR)/Desktop/mime.h
+	$(INSTALL) -m 0644 mime.h $(DESTDIR)$(INCLUDEDIR)/Desktop/mime.h
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)/Desktop
-	$(INSTALL) -m 0644 -- toolbar.h $(DESTDIR)$(INCLUDEDIR)/Desktop/toolbar.h
+	$(INSTALL) -m 0644 toolbar.h $(DESTDIR)$(INCLUDEDIR)/Desktop/toolbar.h
 
 uninstall:
 	$(RM) -- $(DESTDIR)$(INCLUDEDIR)/Desktop/about.h
diff --git a/include/Makefile b/include/Makefile
index 197013d..b5a2294 100644
--- a/include/Makefile
+++ b/include/Makefile
@@ -22,7 +22,7 @@ distclean:
 install:
 	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) install) || exit; done
 	$(MKDIR) $(DESTDIR)$(INCLUDEDIR)
-	$(INSTALL) -m 0644 -- Desktop.h $(DESTDIR)$(INCLUDEDIR)/Desktop.h
+	$(INSTALL) -m 0644 Desktop.h $(DESTDIR)$(INCLUDEDIR)/Desktop.h
 
 uninstall:
 	@for i in $(SUBDIRS); do (cd "$$i" && $(MAKE) uninstall) || exit; done
diff --git a/src/Makefile b/src/Makefile
index 8e1f7f1..dd663b7 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -64,8 +64,8 @@ distclean: clean
 
 install: $(TARGETS)
 	$(MKDIR) $(DESTDIR)$(PREFIX)/lib
-	$(INSTALL) -m 0644 -- libDesktop.a $(DESTDIR)$(PREFIX)/lib/libDesktop.a
-	$(INSTALL) -m 0755 -- libDesktop.so.0.0 $(DESTDIR)$(PREFIX)/lib/libDesktop.so.0.0
+	$(INSTALL) -m 0644 libDesktop.a $(DESTDIR)$(PREFIX)/lib/libDesktop.a
+	$(INSTALL) -m 0755 libDesktop.so.0.0 $(DESTDIR)$(PREFIX)/lib/libDesktop.so.0.0
 	$(LN) -s -- libDesktop.so.0.0 $(DESTDIR)$(PREFIX)/lib/libDesktop.so.0
 	$(LN) -s -- libDesktop.so.0.0 $(DESTDIR)$(PREFIX)/lib/libDesktop.so