diff --git a/cmake/install/CMakeLists.txt b/cmake/install/CMakeLists.txt
index a3a81beeb..e123ae384 100644
--- a/cmake/install/CMakeLists.txt
+++ b/cmake/install/CMakeLists.txt
@@ -31,7 +31,8 @@ IF(LMMS_BUILD_WIN32 OR LMMS_INSTALL_DEPENDENCIES)
 			NAME "plugins"
 			TARGETS ${PLUGINS_BUILT}
 			DESTINATION ${PLUGIN_DEP_DESTINATION}
-			LIB_DIRS ${LIB_DIRS} "${PLUGIN_DIR}"
+			LIB_DIRS ${LIB_DIRS} "${PLUGIN_DIR}" "${PLUGIN_DIR}/optional"
+			SEARCH_PATH "${PLUGIN_DIR}" "${PLUGIN_DIR}/optional"
 	)
 ENDIF()