diff --git a/tools/asset_processor/Makefile b/tools/asset_processor/Makefile
index 243b3b5b..490d8856 100644
--- a/tools/asset_processor/Makefile
+++ b/tools/asset_processor/Makefile
@@ -1,6 +1,6 @@
 
 CXX = g++
-CXXFLAGS = -O3 -Wall -Wextra -std=c++17
+CXXFLAGS = -O3 -Wall -Wextra -std=c++17 -lstdc++fs
 #CXXFLAGS += -g # debug
 INCLUDES = -I include/
 SRCS = src/main.cpp src/asset.cpp src/animation.cpp src/spriteframe.cpp src/reader.cpp src/exitlist.cpp src/frameobjlists.cpp src/midi.cpp src/aif.cpp src/gfx.cpp src/util.cpp src/tileset.cpp src/palette.cpp