diff --git a/NEWS b/NEWS
index eb71c9f9843..c5051c26a4c 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,10 @@ PHP                                                                        NEWS
   . Fixed bug #79030 (Upgrade apache2handler's php_apache_sapi_get_request_time
     to return usec). (Herbert256)
 
+- Curl:
+  . Fixed bug #79741 (curl_setopt CURLOPT_POSTFIELDS asserts on object with
+    declared properties). (Nikita)
+
 - FTP:
   . Fixed bug #55857 (ftp_size on large files). (cmb)
 
diff --git a/ext/curl/interface.c b/ext/curl/interface.c
index 630d3b0a896..ebe01a9d8db 100644
--- a/ext/curl/interface.c
+++ b/ext/curl/interface.c
@@ -2719,7 +2719,7 @@ static int _php_curl_setopt(php_curl *ch, zend_long option, zval *zvalue) /* {{{
 				return FAILURE;
 			}
 
-			ZEND_HASH_FOREACH_VAL(ph, current) {
+			ZEND_HASH_FOREACH_VAL_IND(ph, current) {
 				ZVAL_DEREF(current);
 				val = zval_get_tmp_string(current, &tmp_val);
 				slist = curl_slist_append(slist, ZSTR_VAL(val));
@@ -2797,7 +2797,7 @@ static int _php_curl_setopt(php_curl *ch, zend_long option, zval *zvalue) /* {{{
 				}
 #endif
 
-				ZEND_HASH_FOREACH_KEY_VAL(postfields, num_key, string_key, current) {
+				ZEND_HASH_FOREACH_KEY_VAL_IND(postfields, num_key, string_key, current) {
 					zend_string *postval, *tmp_postval;
 					/* Pretend we have a string_key here */
 					if (!string_key) {
diff --git a/ext/curl/tests/bug79741.phpt b/ext/curl/tests/bug79741.phpt
new file mode 100644
index 00000000000..17c3f57e049
--- /dev/null
+++ b/ext/curl/tests/bug79741.phpt
@@ -0,0 +1,16 @@
+--TEST--
+Bug #79741: curl_setopt CURLOPT_POSTFIELDS asserts on object with declared properties
+--FILE--
+<?php
+
+class Test {
+	public $prop = "value";
+}
+
+$ch = curl_init();
+curl_setopt($ch, CURLOPT_POSTFIELDS, new Test);
+
+?>
+===DONE===
+--EXPECT--
+===DONE===