diff --git a/packages/vitest/src/integrations/snapshot/chai.ts b/packages/vitest/src/integrations/snapshot/chai.ts
index 8956ac479..842a20382 100644
--- a/packages/vitest/src/integrations/snapshot/chai.ts
+++ b/packages/vitest/src/integrations/snapshot/chai.ts
@@ -41,7 +41,7 @@ export const SnapshotPlugin: ChaiPlugin = (chai, utils) => {
   utils.addMethod(
     chai.Assertion.prototype,
     'toMatchInlineSnapshot',
-    function(this: Record<string, unknown>, properties?: object, inlineSnapshot?: string, message?: string) {
+    function __VITEST_INLINE_SNAPSHOT__(this: Record<string, unknown>, properties?: object, inlineSnapshot?: string, message?: string) {
       const expected = utils.flag(this, 'object')
       if (typeof properties === 'string') {
         message = inlineSnapshot
@@ -62,7 +62,7 @@ export const SnapshotPlugin: ChaiPlugin = (chai, utils) => {
   utils.addMethod(
     chai.Assertion.prototype,
     'toThrowErrorMatchingInlineSnapshot',
-    function(this: Record<string, unknown>, inlineSnapshot: string, message: string) {
+    function __VITEST_INLINE_SNAPSHOT__(this: Record<string, unknown>, inlineSnapshot: string, message: string) {
       const expected = utils.flag(this, 'object')
       getSnapshotClient().assert(getErrorString(expected), message, true, undefined, inlineSnapshot)
     },
diff --git a/packages/vitest/src/integrations/snapshot/port/state.ts b/packages/vitest/src/integrations/snapshot/port/state.ts
index f8a5ffde3..d4da8cadc 100644
--- a/packages/vitest/src/integrations/snapshot/port/state.ts
+++ b/packages/vitest/src/integrations/snapshot/port/state.ts
@@ -97,8 +97,10 @@ export default class SnapshotState {
       const error = options.error || new Error('Unknown error')
       const stacks = parseStacktrace(error)
       stacks.forEach(i => i.file = slash(i.file))
-      const stackIndex = stacks.findIndex(i => i.method === 'Proxy.methodWrapper')
-      const stack = stackIndex !== -1 ? stacks[stackIndex + 1] : null
+      // inline snapshot function is called __VITEST_INLINE_SNAPSHOT__
+      // in integrations/snapshot/chai.ts
+      const stackIndex = stacks.findIndex(i => i.method === 'Proxy.__VITEST_INLINE_SNAPSHOT__')
+      const stack = stackIndex !== -1 ? stacks[stackIndex + 2] : null
       if (!stack) {
         throw new Error(
           'Vitest: Couldn\'t infer stack frame for inline snapshot.',