diff --git a/configure.in b/configure.in
index af0872fb..adb4ad8c 100644
--- a/configure.in
+++ b/configure.in
@@ -107,4 +107,5 @@ src/platform/Makefile
 src/platform/visualc/Makefile
 visualc/Makefile
 include/Makefile
+docs/Makefile
 ])