diff --git a/docs/Makefile.am b/docs/Makefile.am
index fe74511025..5a3da7e067 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -1,7 +1,7 @@
-SUBDIRS = libnm-glib libnm-util
-
 if WITH_DOCS
 
+SUBDIRS = libnm-glib libnm-util
+
 INCLUDES = \
 	-I$(top_srcdir)/include \
 	-I$(top_srcdir)/libnm-util