diff --git a/Makefile b/Makefile
index 0d4ff59..666c9df 100644
--- a/Makefile
+++ b/Makefile
@@ -63,6 +63,8 @@
 %.html: $(TREES_DIR)
 	$(Q)echo generating $@ from $*.yang
 	$(Q)pyang $(PYANG_OPTIONS) --path build/yang --path $(MODEL_DIR) -f jstree -o $(TREES_DIR)/$@ $(MODEL_DIR)/$*.yang
+	$(Q)sed -r -i 's|data\:image/gif\;base64,R0lGODlhS.*RCAA7|https://osm.etsi.org/images/OSM-logo.png\" width=\"175\" height=\"60|g' $(TREES_DIR)/$@
+	$(Q)sed -r -i 's|<a href=\"http://www.tail-f.com">|<a href="http://osm.etsi.org">|g' $(TREES_DIR)/$@
 
 %.rec.tree.txt: $(TREES_DIR)
 	$(Q)echo generating $@ from $*.yang
@@ -72,6 +74,8 @@
 %.rec.html: $(TREES_DIR)
 	$(Q)echo generating $@ from $*.yang
 	$(Q)pyang $(PYANG_OPTIONS) --path build/yang --path $(MODEL_DIR) -f jstree -o $(TREES_DIR)/$@ $(MODEL_DIR)/rw-project.yang $(MODEL_DIR)/$*.yang
+	$(Q)sed -r -i 's|data\:image/gif\;base64,R0lGODlhS.*RCAA7|https://osm.etsi.org/images/OSM-logo.png\" width=\"175\" height=\"60|g' $(TREES_DIR)/$@
+	$(Q)sed -r -i 's|<a href=\"http://www.tail-f.com">|<a href="http://osm.etsi.org">|g' $(TREES_DIR)/$@
 	$(Q)mv $(TREES_DIR)/$@ $(TREES_DIR)/$*.html
 
 $(RW_PB_EXT):