diff --git a/Dockerfile-armhf b/Dockerfile-armhf
index c66a89f..c32ad32 100644
--- a/Dockerfile-armhf
+++ b/Dockerfile-armhf
@@ -3,7 +3,7 @@ FROM arm32v7/python:slim
 ENV LIBRARY_PATH=/lib:/usr/lib
 
 ADD src/requirements.txt /
-RUN apt-get update
+RUN /usr/bin/apt-get update
 
 #RUN apt-get update && apt-get install -y build-essential autoconf \
 #	&& pip install --upgrade pip && pip install -r /requirements.txt \