diff --git a/Zend/zend_hash.h b/Zend/zend_hash.h
index afa3602fae1..30e0453f26b 100644
--- a/Zend/zend_hash.h
+++ b/Zend/zend_hash.h
@@ -795,7 +795,7 @@ static zend_always_inline void *zend_hash_get_current_data_ptr_ex(HashTable *ht,
 #define ZEND_HASH_FILL_END() \
 		__fill_ht->nNumUsed = __fill_idx; \
 		__fill_ht->nNumOfElements = __fill_idx; \
-		__fill_ht->nNextFreeElement = __fill_idx + 1; \
+		__fill_ht->nNextFreeElement = __fill_idx; \
 		__fill_ht->nInternalPointer = 0; \
 	} while (0)
 
diff --git a/ext/standard/tests/array/bug69166.phpt b/ext/standard/tests/array/bug69166.phpt
new file mode 100644
index 00000000000..d0b5fadd6d8
--- /dev/null
+++ b/ext/standard/tests/array/bug69166.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Fixed #69166 (Assigning array_values() to array does not reset key counter)
+--FILE--
+<?php
+
+$array = [0];
+$ar = array_values($array);
+$ar[] = 1;
+var_dump($ar);
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  int(0)
+  [1]=>
+  int(1)
+}