diff --git a/libs/ardour/plugin_manager.cc b/libs/ardour/plugin_manager.cc
index a572ed55dd..3c9e567277 100644
--- a/libs/ardour/plugin_manager.cc
+++ b/libs/ardour/plugin_manager.cc
@@ -360,7 +360,7 @@ PluginManager::cache_valid () const
 uint32_t
 PluginManager::cache_version ()
 {
-	return 1000 * atoi (X_(PROGRAM_VERSION)) + 2;
+	return 7002; // 1000 * atoi (X_(PROGRAM_VERSION)) + 2;
 }
 
 struct PluginInfoPtrNameSorter {