diff --git a/SheepShaver/Makefile b/SheepShaver/Makefile
index b99fda9a..997fbb6a 100644
--- a/SheepShaver/Makefile
+++ b/SheepShaver/Makefile
@@ -72,7 +72,7 @@ links:
 	       dummy/audio_dummy.cpp dummy/clip_dummy.cpp dummy/serial_dummy.cpp \
 	       dummy/prefs_editor_dummy.cpp dummy/scsi_dummy.cpp SDL slirp \
 	       MacOSX/sys_darwin.cpp MacOSX/clip_macosx.cpp \
-	       MacOSX/macos_util_macosx.h MacOSX/extfs_macosx.h \
+	       MacOSX/macos_util_macosx.h Unix/cpr.sh \
 	       MacOSX/extfs_macosx.cpp Windows/clip_windows.cpp \
 	       MacOSX/MacOSX_sound_if.cpp MacOSX/MacOSX_sound_if.h \
 	       MacOSX/AudioBackEnd.cpp MacOSX/AudioBackEnd.h \
diff --git a/SheepShaver/src/Unix/Makefile.in b/SheepShaver/src/Unix/Makefile.in
index 77b57cf0..1878bc49 100644
--- a/SheepShaver/src/Unix/Makefile.in
+++ b/SheepShaver/src/Unix/Makefile.in
@@ -119,25 +119,27 @@ $(GUI_APP_EXE): $(OBJ_DIR) $(GUI_OBJS)
 	$(CXX) -o $@ $(LDFLAGS) $(GUI_OBJS) $(GUI_LIBS)
 
 $(APP)_app: $(APP) ../MacOSX/Info.plist ../MacOSX/$(APP).icns
+	rm -rf $(APP_APP)/Contents
 	mkdir -p $(APP_APP)/Contents
-	cp -f ../MacOSX/Info.plist $(APP_APP)/Contents/
+	./cpr.sh ../MacOSX/Info.plist $(APP_APP)/Contents/
 	echo -n 'APPL????' > $(APP_APP)/Contents/PkgInfo
 	mkdir -p $(APP_APP)/Contents/MacOS
-	cp -f $(APP) $(APP_APP)/Contents/MacOS/
+	./cpr.sh $(APP) $(APP_APP)/Contents/MacOS/
 	strip -x $(APP_APP)/Contents/MacOS/$(APP)
 	mkdir -p $(APP_APP)/Contents/Resources
-	cp -R ../MacOSX/PrefsEditor/standalone_nib/English.lproj $(APP_APP)/Contents/Resources
-	cp -f ../MacOSX/SheepShaver.icns $(APP_APP)/Contents/Resources/
+	./cpr.sh ../MacOSX/PrefsEditor/standalone_nib/English.lproj $(APP_APP)/Contents/Resources
+	./cpr.sh ../MacOSX/SheepShaver.icns $(APP_APP)/Contents/Resources/
 
 $(GUI_APP)_app: $(GUI_APP) ../MacOSX/Info.plist ../MacOSX/$(APP).icns
+	rm -rf $(GUI_APP_APP)/Contents
 	mkdir -p $(GUI_APP_APP)/Contents
 	sed -e "s/$(APP)/$(GUI_APP)/" < ../MacOSX/Info.plist > $(GUI_APP_APP)/Contents/Info.plist
 	echo -n 'APPL????' > $(GUI_APP_APP)/Contents/PkgInfo
 	mkdir -p $(GUI_APP_APP)/Contents/MacOS
-	cp -f $(GUI_APP) $(GUI_APP_APP)/Contents/MacOS/
+	./cpr.sh $(GUI_APP) $(GUI_APP_APP)/Contents/MacOS/
 	strip -x $(GUI_APP_APP)/Contents/MacOS/$(GUI_APP)
 	mkdir -p $(GUI_APP_APP)/Contents/Resources
-	cp -f ../MacOSX/$(APP).icns $(GUI_APP_APP)/Contents/Resources/$(GUI_APP).icns
+	./cpr.sh ../MacOSX/$(APP).icns $(GUI_APP_APP)/Contents/Resources/$(GUI_APP).icns
 
 modules:
 	cd Linux/NetDriver; make