diff --git a/docs/libnm-util/Makefile.am b/docs/libnm-util/Makefile.am
index 2e49495393..32ff649d85 100644
--- a/docs/libnm-util/Makefile.am
+++ b/docs/libnm-util/Makefile.am
@@ -33,7 +33,8 @@ IGNORE_HFILES= \
 	crypto.h \
 	nm-setting-template.h \
 	nm-utils-private.h \
-	nm-param-spec-specialized.h
+	nm-param-spec-specialized.h \
+	nm-test-utils.h
 
 # Images to copy into HTML directory.
 HTML_IMAGES =