diff --git a/buildtools/makeman b/buildtools/makeman

index 196dbd0..d73ab76 100755

--- a/buildtools/makeman

+++ b/buildtools/makeman

@@ -1,4 +1,4 @@

-#!/usr/bin/python

+#!/usr/bin/python3

 #

 # makeman -- compile netpbm's stereotyped HTML to troff markup

 #

diff --git a/buildtools/manpage.mk b/buildtools/manpage.mk

index ef1a103..c1badb8 100644

--- a/buildtools/manpage.mk

+++ b/buildtools/manpage.mk

@@ -126,11 +126,11 @@ reportman:

 # to standard error.

 %.1 %.3 %.5: $(USERGUIDE)/%.html

 	@echo Converting $< to $@

-	@python $(MAKEMAN) -d $(USERGUIDE) $(

+	@python3 $(MAKEMAN) -d $(USERGUIDE) $(

 netpbm.1: $(USERGUIDE)/index.html

 	@echo Converting $< to $@

-	@python $(MAKEMAN) -d $(USERGUIDE) index.html

+	@python3 $(MAKEMAN) -d $(USERGUIDE) index.html

 	@mv index.1 netpbm.1

 # Generate man pages