diff --git a/configure.ac b/configure.ac
index 06066a0..a5f207d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1550,6 +1550,7 @@
 dlls/ddraw/tests/Makefile
 dlls/devenum/Makefile
 dlls/dinput/Makefile
+dlls/dinput/tests/Makefile
 dlls/dinput8/Makefile
 dlls/dmband/Makefile
 dlls/dmcompos/Makefile