diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 5399561f53..9bd879c016 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -95,6 +95,7 @@ EXTRA_DIST = \
         platform/win32/CMakeModules/find_flex.cmake \
         platform/win32/CMakeModules/find_libltdl.cmake \
         platform/win32/CMakeModules/find_ofed_sdk.cmake \
+        platform/win32/CMakeModules/find_winverbs.cmake \
         platform/win32/CMakeModules/generate_version_file.cmake \
         platform/win32/CMakeModules/get_c_alignment.cmake \
         platform/win32/CMakeModules/list_subdirs.cmake \