diff --git a/src/loadgenerator/Dockerfile b/src/loadgenerator/Dockerfile
index 49f5646..b894dc5 100644
--- a/src/loadgenerator/Dockerfile
+++ b/src/loadgenerator/Dockerfile
@@ -22,7 +22,7 @@ RUN apt-get -qq update \
 
 COPY requirements.txt .
 
-RUN pip install --install-option="--prefix=/install" -r requirements.txt
+RUN pip install --prefix="/install" -r requirements.txt
 
 FROM base
 COPY --from=builder /install /usr/local