diff --git a/src/jsc/bindings/BunPlugin.cpp b/src/jsc/bindings/BunPlugin.cpp
index 5773394aed3..e9117400dc9 100644
--- a/src/jsc/bindings/BunPlugin.cpp
+++ b/src/jsc/bindings/BunPlugin.cpp
@@ -304,11 +304,13 @@ static inline JSC::EncodedJSValue setupBunPlugin(JSC::JSGlobalObject* globalObje
     if (targetValue) {
         if (auto* targetJSString = targetValue.toStringOrNull(globalObject)) {
             String targetString = targetJSString->value(globalObject);
+            RETURN_IF_EXCEPTION(throwScope, {});
             if (!(targetString == "node"_s || targetString == "bun"_s || targetString == "browser"_s)) {
                 JSC::throwTypeError(globalObject, throwScope, "plugin target must be one of 'node', 'bun' or 'browser'"_s);
                 return {};
             }
         }
+        RETURN_IF_EXCEPTION(throwScope, {});
     }
 
     JSObject* builderObject = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype(), 4);
diff --git a/test/js/bun/plugin/plugins.test.ts b/test/js/bun/plugin/plugins.test.ts
index 1ccd453b224..70ae31e289c 100644
--- a/test/js/bun/plugin/plugins.test.ts
+++ b/test/js/bun/plugin/plugins.test.ts
@@ -366,6 +366,44 @@ describe("errors", () => {
     }).toThrow("plugin target must be one of 'node', 'bun' or 'browser'");
   });
 
+  it("throws when target Symbol.toPrimitive returns an object", () => {
+    expect(() => {
+      plugin({
+        target: {
+          [Symbol.toPrimitive]() {
+            return {};
+          },
+        },
+        setup() {},
+      } as any);
+    }).toThrow(TypeError);
+  });
+
+  it("propagates exceptions thrown while coercing target to string", () => {
+    const err = new Error("boom");
+    expect(() => {
+      plugin({
+        target: {
+          [Symbol.toPrimitive]() {
+            throw err;
+          },
+        },
+        setup() {},
+      } as any);
+    }).toThrow(err);
+
+    expect(() => {
+      plugin({
+        target: {
+          toString() {
+            throw err;
+          },
+        },
+        setup() {},
+      } as any);
+    }).toThrow(err);
+  });
+
   it("invalid loaders throw", () => {
     const invalidLoaders = ["blah", "blah2", "blah3", "blah4"];
     const inputs = ["body { background: red; }", "<h1>hi</h1>", '{"hi": "there"}', "hi"];