diff --git a/Zend/zend_execute.h b/Zend/zend_execute.h
index ee9ed00355065..b43f038e4928c 100644
--- a/Zend/zend_execute.h
+++ b/Zend/zend_execute.h
@@ -349,9 +349,9 @@ ZEND_API ZEND_COLD void ZEND_FASTCALL zend_cannot_pass_by_reference(uint32_t arg
 ZEND_API void zend_set_timeout(zend_long seconds, bool reset_signals);
 ZEND_API void zend_unset_timeout(void);
 ZEND_API ZEND_NORETURN void ZEND_FASTCALL zend_timeout(void);
-ZEND_API zend_class_entry *zend_fetch_class(zend_string *class_name, int fetch_type);
-ZEND_API zend_class_entry *zend_fetch_class_with_scope(zend_string *class_name, int fetch_type, zend_class_entry *scope);
-ZEND_API zend_class_entry *zend_fetch_class_by_name(zend_string *class_name, zend_string *lcname, int fetch_type);
+ZEND_API zend_class_entry *zend_fetch_class(zend_string *class_name, uint32_t fetch_type);
+ZEND_API zend_class_entry *zend_fetch_class_with_scope(zend_string *class_name, uint32_t fetch_type, zend_class_entry *scope);
+ZEND_API zend_class_entry *zend_fetch_class_by_name(zend_string *class_name, zend_string *lcname, uint32_t fetch_type);
 
 ZEND_API zend_function * ZEND_FASTCALL zend_fetch_function(zend_string *name);
 ZEND_API zend_function * ZEND_FASTCALL zend_fetch_function_str(const char *name, size_t len);
diff --git a/Zend/zend_execute_API.c b/Zend/zend_execute_API.c
index 1ac9712938d4e..755bc2cd2c971 100644
--- a/Zend/zend_execute_API.c
+++ b/Zend/zend_execute_API.c
@@ -1534,7 +1534,7 @@ void zend_unset_timeout(void) /* {{{ */
 }
 /* }}} */
 
-static ZEND_COLD void report_class_fetch_error(zend_string *class_name, int fetch_type)
+static ZEND_COLD void report_class_fetch_error(zend_string *class_name, uint32_t fetch_type)
 {
 	if (fetch_type & ZEND_FETCH_CLASS_SILENT) {
 		return;
@@ -1556,10 +1556,10 @@ static ZEND_COLD void report_class_fetch_error(zend_string *class_name, int fetc
 	}
 }
 
-zend_class_entry *zend_fetch_class(zend_string *class_name, int fetch_type) /* {{{ */
+zend_class_entry *zend_fetch_class(zend_string *class_name, uint32_t fetch_type) /* {{{ */
 {
 	zend_class_entry *ce, *scope;
-	int fetch_sub_type = fetch_type & ZEND_FETCH_CLASS_MASK;
+	uint32_t fetch_sub_type = fetch_type & ZEND_FETCH_CLASS_MASK;
 
 check_fetch_type:
 	switch (fetch_sub_type) {
@@ -1605,7 +1605,7 @@ zend_class_entry *zend_fetch_class(zend_string *class_name, int fetch_type) /* {
 /* }}} */
 
 zend_class_entry *zend_fetch_class_with_scope(
-		zend_string *class_name, int fetch_type, zend_class_entry *scope)
+		zend_string *class_name, uint32_t fetch_type, zend_class_entry *scope)
 {
 	zend_class_entry *ce;
 	switch (fetch_type & ZEND_FETCH_CLASS_MASK) {
@@ -1637,7 +1637,7 @@ zend_class_entry *zend_fetch_class_with_scope(
 	return ce;
 }
 
-zend_class_entry *zend_fetch_class_by_name(zend_string *class_name, zend_string *key, int fetch_type) /* {{{ */
+zend_class_entry *zend_fetch_class_by_name(zend_string *class_name, zend_string *key, uint32_t fetch_type) /* {{{ */
 {
 	zend_class_entry *ce = zend_lookup_class_ex(class_name, key, fetch_type);
 	if (!ce) {