diff --git a/run-javascript b/run-javascript
index 21264fea..cc6e68e5 100755
--- a/run-javascript
+++ b/run-javascript
@@ -9,17 +9,19 @@ if [ "$OS" = "Windows_NT" ]; then
 	DIVIDER=";"
 fi
 
+# The `iconv-lite` package is assumed to be installed globally in the Docker
+# image, but in Node.js 10 and older, you can only `require()` local packages,
+# not global packages. `npm link` creates a symbolic link in the local
+# `node_modules/` directory pointing to the globally installed package.
+npm link iconv-lite
+
 # Symlinks fresh KS JavaScript runtime into node_modules dir
+# Symlink the folder after npm link, as npm might remove the folder
 mkdir -p "$JAVASCRIPT_MODULES_DIR"
 if [ ! -e "$JAVASCRIPT_MODULES_DIR/kaitai-struct" ]; then
 	ABS_JS_RUNTIME=$(pwd)/$JAVASCRIPT_RUNTIME_DIR
 	ln -s "$ABS_JS_RUNTIME" "$JAVASCRIPT_MODULES_DIR/kaitai-struct"
 fi
-# The `iconv-lite` package is assumed to be installed globally in the Docker
-# image, but in Node.js 10 and older, you can only `require()` local packages,
-# not global packages. `npm link` creates a symbolic link in the local
-# `node_modules/` directory pointing to the globally installed package.
-npm link iconv-lite
 
 NODE_PATH="compiled/javascript${DIVIDER}helpers/javascript${DIVIDER}$JAVASCRIPT_MODULES_DIR" \
 	mocha spec/javascript