diff --git a/build.sh b/build.sh
index adbd5eb..377cc83 100644
--- a/build.sh
+++ b/build.sh
@@ -8,8 +8,8 @@ pushd
 npx devcontainer build \
 			--platform linux/amd64,linux/arm64 \
 			--image-name ${REGISTRY}/devcontainers/common-base \
-			--cache-to type=local,dest=$(HOME)/docker-buildcache/devcontainers/common-base,mode=max \
-			--cache-from type=local,src=$(HOME)/docker-buildcache/devcontainers/common-base && \
+			--cache-to type=local,dest=${HOME}/docker-buildcache/devcontainers/common-base,mode=max \
+			--cache-from type=local,src=${HOME}/docker-buildcache/devcontainers/common-base && \
 		docker push ${REGISTRY}/devcontainers/common-base &&\
 popd
 
@@ -17,8 +17,8 @@ pushd
 npx devcontainer build \
 			--platform linux/amd64,linux/arm64 \
 			--image-name ${REGISTRY}/devcontainers/develop-base \
-			--cache-to type=local,dest=$(HOME)/docker-buildcache/devcontainers/develop-base,mode=max \
-			--cache-from type=local,src=$(HOME)/docker-buildcache/devcontainers/develop-base && \
+			--cache-to type=local,dest=${HOME}/docker-buildcache/devcontainers/develop-base,mode=max \
+			--cache-from type=local,src=${HOME}/docker-buildcache/devcontainers/develop-base && \
 		docker push ${REGISTRY}/devcontainers/develop-base &&\
 popd
 
@@ -26,7 +26,7 @@ pushd
 npx devcontainer build \
 			--platform linux/amd64,linux/arm64 \
 			--image-name ${REGISTRY}/devcontainers/universal-base \
-			--cache-to type=local,dest=$(HOME)/docker-buildcache/devcontainers/universal-base,mode=max \
-			--cache-from type=local,src=$(HOME)/docker-buildcache/devcontainers/universal-base && \
+			--cache-to type=local,dest=${HOME}/docker-buildcache/devcontainers/universal-base,mode=max \
+			--cache-from type=local,src=${HOME}/docker-buildcache/devcontainers/universal-base && \
 		docker push ${REGISTRY}/devcontainers/universal-base &&\
 popd