diff --git a/fuzzing/Makefile b/fuzzing/Makefile
index 2a71f4f..77d70ad 100644
--- a/fuzzing/Makefile
+++ b/fuzzing/Makefile
@@ -23,7 +23,7 @@ oss-fuzz:
 	$(CXX) $(CXXFLAGS) -std=c++17 -O3 Extensions.cpp -o $(OUT)/Extensions $(LIB_FUZZING_ENGINE)
 	$(CXX) $(CXXFLAGS) -std=c++17 -O3 QueryParser.cpp -o $(OUT)/QueryParser $(LIB_FUZZING_ENGINE)
 	$(CXX) $(CXXFLAGS) -std=c++17 -O3 MultipartParser.cpp -o $(OUT)/MultipartParser $(LIB_FUZZING_ENGINE)
-	$(CXX) $(CXXFLAGS) -std=c++17 -O3 WebSocket.cpp -o $(OUT)/WebSocket $(LIB_FUZZING_ENGINE)
+	$(CXX) $(CXXFLAGS) -std=c++17 -O3 -I../uSockets/src WebSocket.cpp -o $(OUT)/WebSocket $(LIB_FUZZING_ENGINE)
 	$(CXX) $(CXXFLAGS) -std=c++17 -O3 Http.cpp -o $(OUT)/Http $(LIB_FUZZING_ENGINE)
 	$(CXX) $(CXXFLAGS) -DUWS_WITH_PROXY -std=c++17 -O3 Http.cpp -o $(OUT)/HttpWithProxy $(LIB_FUZZING_ENGINE)
 	$(CXX) $(CXXFLAGS) -DUWS_MOCK_ZLIB -std=c++17 -O3 PerMessageDeflate.cpp -o $(OUT)/PerMessageDeflate $(LIB_FUZZING_ENGINE)