diff --git a/doc/conf.py b/doc/conf.py
index 1245a65..558f2f9 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -215,6 +215,7 @@ man_pages = [
      [u'Dominik Oepen, Frank Morgner'], 1)
 ]
 
+os.system("make doc -C ../npa/ >/dev/null && touch npaapi.rst")
 breathe_projects = {"npa": "doxygen/npa/xml"}
 breathe_default_project = "npa"
 doxylink = { 'npa' : ('doxygen/npa/npa.tag', '_static/doxygen-npa/'), }
diff --git a/npa/Doxyfile.in b/npa/Doxyfile.in
index ff86eca..7703b7f 100644
--- a/npa/Doxyfile.in
+++ b/npa/Doxyfile.in
@@ -1,13 +1,12 @@
-PROJECT_NAME           = @PACKAGE_NAME@
-PROJECT_NUMBER         = @PACKAGE_VERSION@
-OUTPUT_DIRECTORY       = @builddir@/doc
-STRIP_FROM_PATH        = @top_srcdir@/src
-INPUT                  = @top_srcdir@/src/npa
 FILE_PATTERNS          = *.h
-RECURSIVE              = YES
-EXAMPLE_PATH           = @top_srcdir@/src
 GENERATE_HTML          = YES
+GENERATE_LATEX         = NO
 GENERATE_TAGFILE       = @builddir@/doc/@PACKAGE_NAME@.tag
 GENERATE_XML           = YES
-XML_OUTPUT             = xml
+INPUT                  = @top_srcdir@/src/npa
 OPTIMIZE_OUTPUT_FOR_C  = YES
+OUTPUT_DIRECTORY       = @builddir@/doc
+PROJECT_NAME           = @PACKAGE_NAME@
+PROJECT_NUMBER         = @PACKAGE_VERSION@
+STRIP_FROM_PATH        = @top_srcdir@/src
+XML_OUTPUT             = xml