diff --git a/plugins/node/instrumentation-fs/src/instrumentation.ts b/plugins/node/instrumentation-fs/src/instrumentation.ts
index 53ec3fed1e..6bd778da83 100644
--- a/plugins/node/instrumentation-fs/src/instrumentation.ts
+++ b/plugins/node/instrumentation-fs/src/instrumentation.ts
@@ -64,12 +64,12 @@ export default class FsInstrumentation extends InstrumentationBase<FS> {
             );
           }
           for (const fName of CALLBACK_FUNCTIONS) {
+            if (isWrapped(fs[fName])) {
+              this._unwrap(fs, fName);
+            }
             if (fName === 'exists') {
               // handling separately because of the inconsistent cb style:
               // `exists` doesn't have error as the first argument, but the result
-              if (isWrapped(fs[fName])) {
-                this._unwrap(fs, fName);
-              }
               this._wrap(
                 fs,
                 fName,
@@ -77,9 +77,6 @@ export default class FsInstrumentation extends InstrumentationBase<FS> {
               );
               continue;
             }
-            if (isWrapped(fs[fName])) {
-              this._unwrap(fs, fName);
-            }
             this._wrap(
               fs,
               fName,