diff --git a/scripts/ax_init_standard_project.m4 b/scripts/ax_init_standard_project.m4
index e8e1944..8d149bc 100644
--- a/scripts/ax_init_standard_project.m4
+++ b/scripts/ax_init_standard_project.m4
@@ -580,7 +580,7 @@ AC_DEFUN([AX_USE_DOXYGEN], [
   AX_ADD_MAKEFILE_TARGET_DEP([install-data-am], [install-data-documentation], [doc/makefile.in])
   AX_ADD_MAKEFILE_TARGET_DEP([uninstall-am], [uninstall-documentation], [doc/makefile.in])
   AX_ADD_MAKEFILE_TARGET_DEP([all], [doc], [doc/makefile.in])
-  AX_ADD_MAKEFILE_TARGET_DEP([.PHONY], [pdf images], [doc/makefile.in])
+  AX_ADD_MAKEFILE_TARGET_DEP([.PHONY], [pdf gen-uml-images], [doc/makefile.in])
   test -f doc/makefile.in && cat >> doc/makefile.in <<EOF
 #### Begin: Appended by $0
 doc: doxyfile @HAVE_PLANTUML_TRUE@ gen-uml-images