diff --git a/.changeset/tidy-hotels-rule.md b/.changeset/tidy-hotels-rule.md
new file mode 100644
index 00000000..6644d613
--- /dev/null
+++ b/.changeset/tidy-hotels-rule.md
@@ -0,0 +1,5 @@
+---
+'nxjs-runtime': patch
+---
+
+Fix string memory leak in `Switch.readFileSync()`
diff --git a/source/fs.c b/source/fs.c
index f71d7c2f..0e8bb66b 100644
--- a/source/fs.c
+++ b/source/fs.c
@@ -163,6 +163,7 @@ JSValue nx_read_file_sync(JSContext *ctx, JSValueConst this_val, int argc, JSVal
         JS_FreeCString(ctx, filename);
         return JS_EXCEPTION;
     }
+    JS_FreeCString(ctx, filename);
 
     fseek(file, 0, SEEK_END);
     size_t size = ftell(file);
@@ -171,7 +172,6 @@ JSValue nx_read_file_sync(JSContext *ctx, JSValueConst this_val, int argc, JSVal
     uint8_t *buffer = js_malloc(ctx, size);
     if (buffer == NULL)
     {
-        JS_FreeCString(ctx, filename);
         fclose(file);
         JS_ThrowOutOfMemory(ctx);
         return JS_EXCEPTION;
@@ -182,7 +182,6 @@ JSValue nx_read_file_sync(JSContext *ctx, JSValueConst this_val, int argc, JSVal
 
     if (result != size)
     {
-        JS_FreeCString(ctx, filename);
         js_free(ctx, buffer);
         JS_ThrowTypeError(ctx, "Failed to read entire file. Got %lu, expected %lu", result, size);
         return JS_EXCEPTION;