diff --git a/gramps/src/plugins/Makefile.in b/gramps/src/plugins/Makefile.in
index 04e469fdb..a10482e51 100644
--- a/gramps/src/plugins/Makefile.in
+++ b/gramps/src/plugins/Makefile.in
@@ -19,7 +19,7 @@ all: ${PYOBJS}
 
 install:
 	${INSTALL} -d ${plugins}
-	${INSTALL} *.py *.pyo *.glade ${plugins}
+	${INSTALL} -m 644 *.py *.pyo *.glade ${plugins}
 
 uninstall:
 	rm ${plugins}/*.py ${plugins}/*.pyo ${plugins}/*.glade