diff --git a/doc/meson.build b/doc/meson.build
index d178322..4e8ee7c 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -1,4 +1,4 @@
-sphinx = find_program('sphinx-build', required: get_option('manpages'))
+sphinx = find_program('sphinx-build-3', required: get_option('manpages'))
 if sphinx.found()
   custom_target('man pages',
     command: [