diff --git a/src/install/install.zig b/src/install/install.zig
index 617dbcc596..1d40e5ea23 100644
--- a/src/install/install.zig
+++ b/src/install/install.zig
@@ -9792,7 +9792,7 @@ pub const PackageManager = struct {
             // add
             // remove
             outer: for (positionals) |positional| {
-                var input: []u8 = @constCast(std.mem.trim(u8, positional, " \n\r\t"));
+                var input: []u8 = bun.default_allocator.dupe(u8, std.mem.trim(u8, positional, " \n\r\t")) catch bun.outOfMemory();
                 {
                     var temp: [2048]u8 = undefined;
                     const len = std.mem.replace(u8, input, "\\\\", "/", &temp);
diff --git a/test/cli/install/bun-repl.test.ts b/test/cli/install/bun-repl.test.ts
new file mode 100644
index 0000000000..466b956029
--- /dev/null
+++ b/test/cli/install/bun-repl.test.ts
@@ -0,0 +1,7 @@
+import { test, expect } from "bun:test";
+import "harness";
+
+// https://github.com/oven-sh/bun/issues/12070
+test("bun repl", () => {
+  expect(["repl", "-e", "process.exit(0)"]).toRun();
+});