diff --git a/ext/opcache/jit/zend_jit_ir.c b/ext/opcache/jit/zend_jit_ir.c
index dd75c1f37f63..110d84d3a343 100644
--- a/ext/opcache/jit/zend_jit_ir.c
+++ b/ext/opcache/jit/zend_jit_ir.c
@@ -14539,7 +14539,11 @@ static int zend_jit_fetch_obj(zend_jit_ctx         *jit,
 	}
 
 	if (may_throw) {
-		zend_jit_check_exception(jit);
+		if (Z_MODE(res_addr) == IS_REG) {
+			zend_jit_check_exception_undef_result(jit, opline);
+		} else {
+			zend_jit_check_exception(jit);
+		}
 	}
 
 	return 1;
diff --git a/ext/opcache/tests/jit/gh17747.phpt b/ext/opcache/tests/jit/gh17747.phpt
new file mode 100644
index 000000000000..803d2201ec5b
--- /dev/null
+++ b/ext/opcache/tests/jit/gh17747.phpt
@@ -0,0 +1,23 @@
+--TEST--
+GH-17747 (Exception on reading property in register-based FETCH_OBJ_R breaks JIT)
+--EXTENSIONS--
+opcache
+--INI--
+opcache.jit=function
+--FILE--
+<?php
+class C {
+    public int $a;
+    public function test() {
+        var_dump($this->a);
+    }
+}
+$test = new C;
+$test->test();
+?>
+--EXPECTF--
+Fatal error: Uncaught Error: Typed property C::$a must not be accessed before initialization in %s:%d
+Stack trace:
+#0 %s(%d): C->test()
+#1 {main}
+  thrown in %s on line %d