diff --git a/Dockerfile b/Dockerfile
index 2cd1b81..98ca84f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ RUN apt-get -qq update && \
 
 # install zola from source, then remove (heavy) cargo temporaries to reduce bloat
 RUN cargo install --git https://bics.ga/reivilibre/mirror-zola.git --rev fce3e4b8a0d04067e4ffc063572872e912dec5dd && \
-  rm -r /usr/local/cargo/{registry,git,.package-cache}
+  rm -r /usr/local/cargo/registry && \
+  rm -r /usr/local/cargo/git
 
 # Done?