diff --git a/plugins/zynaddsubfx/CMakeLists.txt b/plugins/zynaddsubfx/CMakeLists.txt
index ef2a7e2760d..4b41ef2390c 100644
--- a/plugins/zynaddsubfx/CMakeLists.txt
+++ b/plugins/zynaddsubfx/CMakeLists.txt
@@ -126,6 +126,6 @@ ELSEIF(LMMS_BUILD_WIN32)
 	SET(FLTK_EXTRA_FLAGS "-DCMAKE_TOOLCHAIN_FILE=${CMAKE_SOURCE_DIR}/cmake/modules/Win32Toolchain.cmake")
 ENDIF(LMMS_BUILD_WIN64)
 
-ADD_CUSTOM_TARGET(libfltk COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/fltk && cd ${CMAKE_CURRENT_BINARY_DIR}/fltk && ${CMAKE_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR}/fltk ${FLTK_EXTRA_FLAGS} -DCMAKE_MODULE_PATH=${CMAKE_SOURCE_DIR}/cmake/modules/ -DFLTK_USE_SYSTEM_ZLIB:BOOL=ON -DFLTK_USE_SYSTEM_JPEG:BOOL=ON -DFLTK_USE_SYSTEM_PNG:BOOL=ON -DOPTION_BUILD_EXAMPLES:BOOL=OFF -DCMAKE_BUILD_TYPE=release -DFREETYPE_PATH=${FREETYPE_INCLUDE_DIRS} && ${CMAKE_BUILD_TOOL})
+ADD_CUSTOM_TARGET(libfltk COMMAND mkdir -p ${CMAKE_CURRENT_BINARY_DIR}/fltk && cd ${CMAKE_CURRENT_BINARY_DIR}/fltk && ${CMAKE_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR}/fltk ${FLTK_EXTRA_FLAGS} -DCMAKE_MODULE_PATH=${CMAKE_SOURCE_DIR}/cmake/modules/ -DFLTK_USE_SYSTEM_ZLIB:BOOL=ON -DFLTK_USE_SYSTEM_JPEG:BOOL=ON -DFLTK_USE_SYSTEM_PNG:BOOL=ON -DOPTION_BUILD_EXAMPLES:BOOL=OFF -DCMAKE_BUILD_TYPE=release -DFREETYPE_PATH="${FREETYPE_INCLUDE_DIR_freetype2}\;${FREETYPE_INCLUDE_DIR_ft2build}" && ${CMAKE_BUILD_TOOL})
 
 ADD_DEPENDENCIES(RemoteZynAddSubFx libfltk)