diff --git a/doc/Makefile b/doc/Makefile
index 962f5f06d..4a3d9185a 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -110,7 +110,7 @@ $(manual-pages-part-html): %.part.html: %.xml
 	rm -f $(dir $@)docbook.css
 
 $(manual-xmls) $(manual-pages-xml): %.xml: %.raw.wiki $(SCRIPTS_DIR)/wikiparser.py
-	python3 $(SCRIPTS_DIR)/wikiparser.py --begin-marker="## BEGIN_INCLUDE" \
+	$(SCRIPTS_DIR)/wikiparser.py --begin-marker="## BEGIN_INCLUDE" \
 	    --end-marker='## END_INCLUDE' $< | xmllint --format - > $@
 
 %.1: %.xml
diff --git a/doc/scripts/wikiparser.py b/doc/scripts/wikiparser.py
old mode 100644
new mode 100755
index 9201929f1..141046bf2
--- a/doc/scripts/wikiparser.py
+++ b/doc/scripts/wikiparser.py
@@ -1,3 +1,4 @@
+#!/usr/bin/python3
 # SPDX-License-Identifier: AGPL-3.0-or-later
 """
 MoinMoin wiki parser