diff --git a/src/plugins/mapservices/Makefile.am b/src/plugins/mapservices/Makefile.am
index 7822ade7f..89e65442d 100644
--- a/src/plugins/mapservices/Makefile.am
+++ b/src/plugins/mapservices/Makefile.am
@@ -6,8 +6,8 @@
 pkgdatadir = $(datadir)/@PACKAGE@/plugins/mapservices
 
 pkgdata_PYTHON = \
-	googlemap.py\
-	openstreetmap.py\
+    googlemap.py\
+    openstreetmap.py\
     eniroswedenmap.py
 
 pkgpyexecdir = @pkgpyexecdir@/plugins/mapservices