diff --git a/src/compat/object/invertBy.ts b/src/compat/object/invertBy.ts
index dd8a1c4a9..2d3e2ba36 100644
--- a/src/compat/object/invertBy.ts
+++ b/src/compat/object/invertBy.ts
@@ -1,3 +1,4 @@
+import { isUnsafeProperty } from '../../_internal/isUnsafeProperty.ts';
 import { identity } from '../../function/identity.ts';
 import { isNil } from '../../predicate/isNil.ts';
 import { ValueIteratee } from '../_internal/ValueIteratee.ts';
@@ -88,6 +89,10 @@ export function invertBy<T extends object>(
     const value = (object as any)[key];
     const valueStr = getString(value);
 
+    if (isUnsafeProperty(valueStr)) {
+      continue;
+    }
+
     if (Array.isArray(result[valueStr])) {
       result[valueStr].push(key);
     } else {
diff --git a/src/object/invert.ts b/src/object/invert.ts
index 263010dc3..3279c69f5 100644
--- a/src/object/invert.ts
+++ b/src/object/invert.ts
@@ -1,3 +1,5 @@
+import { isUnsafeProperty } from '../_internal/isUnsafeProperty';
+
 /**
  * Inverts the keys and values of an object. The keys of the input object become the values of the output object and vice versa.
  *
@@ -24,6 +26,9 @@ export function invert<K extends PropertyKey, V extends PropertyKey>(obj: Record
   for (let i = 0; i < keys.length; i++) {
     const key = keys[i];
     const value = obj[key];
+    if (isUnsafeProperty(value)) {
+      continue;
+    }
     result[value] = key;
   }