diff --git a/Makefile b/Makefile
index 68fa2e6..7e482d9 100644
--- a/Makefile
+++ b/Makefile
@@ -65,7 +65,7 @@ deps:
 	-r <(sed -n "/torch/p" requirements.txt) && \
 	$(PIP) install --no-build-isolation -f "https://dl.fbaipublicfiles.com/detectron2/wheels/$$CUDA/torch1.10/index.html" \
 	"git+https://github.com/facebookresearch/detectron2@v0.6#egg=detectron2"
-	-wget --quiet -O- https://github.com/facebookresearch/detectron2/commit/ed294fabf043eadbb33948d5c39f8f0361829a4f.patch | patch -t -d `$(PYTHON) -c "import detectron2; print(detectron2.__path__[0])"` -p2
+	-wget --quiet -O- https://github.com/facebookresearch/detectron2/commit/ed294fabf043eadbb33948d5c39f8f0361829a4f.patch | patch -f -d `$(PYTHON) -c "import detectron2; print(detectron2.__path__[0])"` -p2
 
 # Install Python package via pip
 install: deps