diff --git a/Zend/tests/array_unpack/already_occupied.phpt b/Zend/tests/array_unpack/already_occupied.phpt
deleted file mode 100644
index 27a18b6ced1af..0000000000000
--- a/Zend/tests/array_unpack/already_occupied.phpt
+++ /dev/null
@@ -1,41 +0,0 @@
---TEST--
-Appending to an array via unpack may fail
---SKIPIF--
-<?php if (PHP_INT_SIZE != 8) die("skip 64bit only"); ?>
---FILE--
-<?php
-
-$arr = [1, 2, 3];
-var_dump([PHP_INT_MAX-1 => 0, ...$arr]);
-
-var_dump([PHP_INT_MAX-1 => 0, ...[1, 2, 3]]);
-
-const ARR = [1, 2, 3];
-const ARR2 = [PHP_INT_MAX-1 => 0, ...ARR];
-var_dump(ARR2);
-
-?>
---EXPECTF--
-Warning: Cannot add element to the array as the next element is already occupied in %s on line %d
-array(2) {
-  [9223372036854775806]=>
-  int(0)
-  [9223372036854775807]=>
-  int(1)
-}
-
-Warning: Cannot add element to the array as the next element is already occupied in %s on line %d
-array(2) {
-  [9223372036854775806]=>
-  int(0)
-  [9223372036854775807]=>
-  int(1)
-}
-
-Warning: Cannot add element to the array as the next element is already occupied in %s on line %d
-array(2) {
-  [9223372036854775806]=>
-  int(0)
-  [9223372036854775807]=>
-  int(1)
-}
diff --git a/Zend/tests/array_unpack/with_keys_1.phpt b/Zend/tests/array_unpack/with_keys_1.phpt
new file mode 100644
index 0000000000000..4746b7b0fdd2d
--- /dev/null
+++ b/Zend/tests/array_unpack/with_keys_1.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Cannot unpack in array with keys
+--FILE--
+<?php
+
+$ary = [1, 2, 3];
+$ary2 = [42 => 0, ...$ary];
+
+?>
+--EXPECTF--
+Fatal error: Cannot use unpacking in arrays with explicit keys in %s on line %d
diff --git a/Zend/tests/array_unpack/with_keys_2.phpt b/Zend/tests/array_unpack/with_keys_2.phpt
new file mode 100644
index 0000000000000..5eaafcf89bfe5
--- /dev/null
+++ b/Zend/tests/array_unpack/with_keys_2.phpt
@@ -0,0 +1,11 @@
+--TEST--
+Cannot unpack in array with keys (2)
+--FILE--
+<?php
+
+$ary = [1, 2, 3];
+$ary2 = [...$ary, 'a' => 4];
+
+?>
+--EXPECTF--
+Fatal error: Cannot use unpacking in arrays with explicit keys in %s on line %d
diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index 155844e2e082b..10c7cbeb8429d 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -6946,6 +6946,8 @@ static zend_bool zend_try_ct_eval_array(zval *result, zend_ast *ast) /* {{{ */
 	zend_ast *last_elem_ast = NULL;
 	uint32_t i;
 	zend_bool is_constant = 1;
+	zend_bool has_explicit_keys = 0;
+	uint32_t unpack_lineno = (uint32_t)-1;
 
 	if (ast->attr == ZEND_ARRAY_SYNTAX_LIST) {
 		zend_error(E_COMPILE_ERROR, "Cannot use list() as standalone expression");
@@ -6972,7 +6974,11 @@ static zend_bool zend_try_ct_eval_array(zval *result, zend_ast *ast) /* {{{ */
 			) {
 				is_constant = 0;
 			}
+			if (elem_ast->child[1]) {
+				has_explicit_keys = 1;
+			}
 		} else {
+			unpack_lineno = zend_ast_get_lineno(elem_ast);
 			zend_eval_const_expr(&elem_ast->child[0]);
 			
 			if (elem_ast->child[0]->kind != ZEND_AST_ZVAL) {
@@ -6983,6 +6989,11 @@ static zend_bool zend_try_ct_eval_array(zval *result, zend_ast *ast) /* {{{ */
 		last_elem_ast = elem_ast;
 	}
 
+	if (has_explicit_keys && unpack_lineno != (uint32_t) -1) {
+		CG(zend_lineno) = unpack_lineno;
+		zend_error_noreturn(E_COMPILE_ERROR, "Cannot use unpacking in arrays with explicit keys");
+	}
+
 	if (!is_constant) {
 		return 0;
 	}