diff --git a/ext/opcache/jit/zend_jit.c b/ext/opcache/jit/zend_jit.c
index 9db35932b7f..ffcb8daaf56 100644
--- a/ext/opcache/jit/zend_jit.c
+++ b/ext/opcache/jit/zend_jit.c
@@ -1860,7 +1860,7 @@ static int zend_jit(const zend_op_array *op_array, zend_ssa *ssa, const zend_op
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
@@ -1911,7 +1911,7 @@ static int zend_jit(const zend_op_array *op_array, zend_ssa *ssa, const zend_op
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
@@ -1955,7 +1955,7 @@ static int zend_jit(const zend_op_array *op_array, zend_ssa *ssa, const zend_op
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
@@ -2433,7 +2433,7 @@ static int zend_jit(const zend_op_array *op_array, zend_ssa *ssa, const zend_op
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							on_this = 1;
 						} else {
@@ -2603,7 +2603,7 @@ static int zend_jit(const zend_op_array *op_array, zend_ssa *ssa, const zend_op
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							on_this = 1;
 						} else {
diff --git a/ext/opcache/jit/zend_jit_trace.c b/ext/opcache/jit/zend_jit_trace.c
index abe15a9ffa1..3a6e3f0eb9d 100644
--- a/ext/opcache/jit/zend_jit_trace.c
+++ b/ext/opcache/jit/zend_jit_trace.c
@@ -4785,7 +4785,7 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
@@ -4879,7 +4879,7 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
@@ -4962,7 +4962,7 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
@@ -6035,7 +6035,7 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
@@ -6341,7 +6341,7 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 							ce = op_array->scope;
 							/* scope is NULL for closures. */
 							if (ce) {
-								ce_is_instanceof = (ce->ce_flags & ZEND_ACC_FINAL) != 0;
+								ce_is_instanceof = !(ce->ce_flags & ZEND_ACC_FINAL);
 							}
 							op1_addr = 0;
 							on_this = 1;
diff --git a/ext/opcache/tests/jit/assign_obj_005.phpt b/ext/opcache/tests/jit/assign_obj_005.phpt
new file mode 100644
index 00000000000..cbda0b0c179
--- /dev/null
+++ b/ext/opcache/tests/jit/assign_obj_005.phpt
@@ -0,0 +1,38 @@
+--TEST--
+JIT ASSIGN_OBJ: Typed & not-typed property 
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.file_update_protection=0
+opcache.jit_buffer_size=1M
+--FILE--
+<?php
+interface I {
+}
+abstract class C1 implements I {
+    public function __construct($x) {
+        $this->x = $x;
+    }
+}
+class C2 extends C1 {
+    public $x = 0;
+}
+class C3 extends C1 {
+    public int $x = 0;
+}
+$o = new C2("abcd");
+var_dump($o->x);
+$o = new C3(42);
+var_dump($o->x);
+$o = new C3("abcd");
+var_dump($o->x);
+?>
+--EXPECTF--
+string(4) "abcd"
+int(42)
+
+Fatal error: Uncaught TypeError: Cannot assign string to property C3::$x of type int in %sassign_obj_005.php:6
+Stack trace:
+#0 %sassign_obj_005.php(19): C1->__construct('abcd')
+#1 {main}
+  thrown in %sassign_obj_005.php on line 6