diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5d8d6e5..695206ff 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -408,7 +408,7 @@ target_include_directories(furnace SYSTEM PRIVATE ${DEPENDENCIES_INCLUDE_DIRS})
 target_compile_definitions(furnace PRIVATE ${DEPENDENCIES_DEFINES} IMGUI_USER_CONFIG="imconfig_fur.h")
 target_compile_options(furnace PRIVATE ${DEPENDENCIES_COMPILE_OPTIONS})
 target_link_libraries(furnace PRIVATE ${DEPENDENCIES_LIBRARIES})
-if (PKG_CONFIG_FOUND AND (SYSTEM_FMT OR SYSTEM_LIBSNDFILE OR SYSTEM_ZLIB OR SYSTEM_SDL2 OR WITH_JACK))
+if (PKG_CONFIG_FOUND AND (SYSTEM_FMT OR SYSTEM_LIBSNDFILE OR SYSTEM_ZLIB OR SYSTEM_SDL2 OR SYSTEM_RTMIDI OR WITH_JACK))
   if ("${CMAKE_VERSION}" VERSION_LESS "3.13")
     message(WARNING
       "CMake version is <3.13, using old pkg-config LDFLAGS. "