diff --git a/npm b/npm
index 0d1978c..38b9616 100755
--- a/npm
+++ b/npm
@@ -5,9 +5,9 @@
 
 docker run \
   --rm \
-  --volume $(pwd):/workspace \
+  --volume "$(pwd)":/workspace \
   --workdir /workspace \
   --env NODE_OPTIONS="--experimental-vm-modules --no-warnings" \
   --entrypoint npm \
   node:16.13.1-alpine3.14 \
-  $@
+  "$@"
diff --git a/npx b/npx
index 8800b90..d8152c1 100755
--- a/npx
+++ b/npx
@@ -5,9 +5,9 @@
 
 docker run \
   --rm \
-  --volume $(pwd):/workspace \
+  --volume "$(pwd)":/workspace \
   --workdir /workspace \
   --env NODE_OPTIONS="--experimental-vm-modules --no-warnings" \
   --entrypoint npx \
   node:16.13.1-alpine3.14 \
-  $@
+  "$@"