diff --git a/aegisub/automation/Makefile b/aegisub/automation/Makefile
index b0976698c..1e6147787 100644
--- a/aegisub/automation/Makefile
+++ b/aegisub/automation/Makefile
@@ -48,8 +48,8 @@ all: ;
 install: install-share
 	@$(BIN_MKDIR) -p $(addprefix $(DESTDIR)$(P_DATA)/automation/, $(dir $(DATA_AUTOMATION)))
 	@for i in $(DATA_AUTOMATION); do \
-		$(BIN_ECHO) "$(BIN_INSTALL) $$i $(DESTDIR)$(P_DATA)/automation/$$i"; \
-		$(BIN_INSTALL) $$i $(DESTDIR)$(P_DATA)/automation/$$i; \
+		$(BIN_ECHO) "$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_DATA)/automation/$$i"; \
+		$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_DATA)/automation/$$i; \
 	done
 
 EXTRA_DIST = $(DATA_AUTOMATION)
diff --git a/aegisub/desktop/Makefile b/aegisub/desktop/Makefile
index 1c90e857b..a2848a1fd 100644
--- a/aegisub/desktop/Makefile
+++ b/aegisub/desktop/Makefile
@@ -38,8 +38,8 @@ install-desktop:
 install-icons:
 	@$(BIN_MKDIR) -p $(addprefix $(DESTDIR)$(P_ICON)/hicolor/, $(dir $(ICON_HICOLOR)))
 	@for i in $(ICON_HICOLOR); do \
-		$(BIN_ECHO) "$(BIN_INSTALL) $$i $(DESTDIR)$(P_ICON)/hicolor/$$i"; \
-		$(BIN_INSTALL) $$i $(DESTDIR)$(P_ICON)/hicolor/$$i; \
+		$(BIN_ECHO) "$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_ICON)/hicolor/$$i"; \
+		$(BIN_INSTALL) -m644 $$i $(DESTDIR)$(P_ICON)/hicolor/$$i; \
 	done
 	$(BIN_TOUCH) $(DESTDIR)$(P_ICON)/hicolor
 	$(BIN_MKDIR) -p $(DESTDIR)$(P_ICON)/hicolor/scalable/apps
diff --git a/aegisub/po/Makefile b/aegisub/po/Makefile
index 109b6b1d7..3b35e6c17 100644
--- a/aegisub/po/Makefile
+++ b/aegisub/po/Makefile
@@ -41,8 +41,8 @@ all: $(MO)
 install:
 	@$(BIN_MKDIR) -p $(addsuffix /LC_MESSAGES/, $(addprefix $(DESTDIR)$(P_LOCALE)/, $(basename $(PO))))
 	@for i in $(basename $(PO)); do \
-		echo $(BIN_INSTALL) $$i.mo $(DESTDIR)$(P_LOCALE)/$$i/LC_MESSAGES/$(AEGISUB_CATALOG).mo; \
-		$(BIN_INSTALL) $$i.mo $(DESTDIR)$(P_LOCALE)/$$i/LC_MESSAGES/$(AEGISUB_CATALOG).mo; \
+		$(BIN_ECHO) "$(BIN_INSTALL) -m644 $$i.mo $(DESTDIR)$(P_LOCALE)/$$i/LC_MESSAGES/$(AEGISUB_CATALOG).mo"; \
+		$(BIN_INSTALL) -m644 $$i.mo $(DESTDIR)$(P_LOCALE)/$$i/LC_MESSAGES/$(AEGISUB_CATALOG).mo; \
 	done