diff --git a/plugins/ladspa_effect/calf/CMakeLists.txt b/plugins/ladspa_effect/calf/CMakeLists.txt
index fb4e10cec..f72f1f2a7 100644
--- a/plugins/ladspa_effect/calf/CMakeLists.txt
+++ b/plugins/ladspa_effect/calf/CMakeLists.txt
@@ -2,7 +2,6 @@ FILE(GLOB SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp)
 ADD_LIBRARY(calf MODULE ${SOURCES})
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/src)
 INSTALL(TARGETS calf LIBRARY DESTINATION ${PLUGIN_DIR}/ladspa)
-ADD_DEFINITIONS(-DUSE_LADSPA=1)
 SET_TARGET_PROPERTIES(calf PROPERTIES PREFIX "")
 SET(INLINE_FLAGS "")
 IF(NOT LMMS_BUILD_APPLE)
diff --git a/plugins/ladspa_effect/calf/src/config.h b/plugins/ladspa_effect/calf/src/config.h
new file mode 100644
index 000000000..0ddd570c8
--- /dev/null
+++ b/plugins/ladspa_effect/calf/src/config.h
@@ -0,0 +1 @@
+#define USE_LADSPA 1