diff --git a/php/ext/google/protobuf/php-upb.c b/php/ext/google/protobuf/php-upb.c
index 7b7806928e7f..3879fa0201d4 100644
--- a/php/ext/google/protobuf/php-upb.c
+++ b/php/ext/google/protobuf/php-upb.c
@@ -13696,11 +13696,11 @@ upb_MessageValue upb_FieldDef_Default(const upb_FieldDef* f) {
 }
 
 const upb_MessageDef* upb_FieldDef_MessageSubDef(const upb_FieldDef* f) {
-  return upb_FieldDef_CType(f) == kUpb_CType_Message ? f->sub.msgdef : NULL;
+  return upb_FieldDef_IsSubMessage(f) ? f->sub.msgdef : NULL;
 }
 
 const upb_EnumDef* upb_FieldDef_EnumSubDef(const upb_FieldDef* f) {
-  return upb_FieldDef_CType(f) == kUpb_CType_Enum ? f->sub.enumdef : NULL;
+  return upb_FieldDef_IsEnum(f) ? f->sub.enumdef : NULL;
 }
 
 const upb_MiniTableField* upb_FieldDef_MiniTable(const upb_FieldDef* f) {
@@ -13798,8 +13798,11 @@ bool upb_FieldDef_HasDefault(const upb_FieldDef* f) { return f->has_default; }
 bool upb_FieldDef_HasPresence(const upb_FieldDef* f) { return f->has_presence; }
 
 bool upb_FieldDef_HasSubDef(const upb_FieldDef* f) {
-  return upb_FieldDef_IsSubMessage(f) ||
-         upb_FieldDef_CType(f) == kUpb_CType_Enum;
+  return upb_FieldDef_IsSubMessage(f) || upb_FieldDef_IsEnum(f);
+}
+
+bool upb_FieldDef_IsEnum(const upb_FieldDef* f) {
+  return upb_FieldDef_CType(f) == kUpb_CType_Enum;
 }
 
 bool upb_FieldDef_IsMap(const upb_FieldDef* f) {
diff --git a/php/ext/google/protobuf/php-upb.h b/php/ext/google/protobuf/php-upb.h
index fa63a63297f5..b97bd1db2b3b 100644
--- a/php/ext/google/protobuf/php-upb.h
+++ b/php/ext/google/protobuf/php-upb.h
@@ -11469,6 +11469,7 @@ bool upb_FieldDef_HasOptions(const upb_FieldDef* f);
 UPB_API bool upb_FieldDef_HasPresence(const upb_FieldDef* f);
 bool upb_FieldDef_HasSubDef(const upb_FieldDef* f);
 uint32_t upb_FieldDef_Index(const upb_FieldDef* f);
+UPB_API bool upb_FieldDef_IsEnum(const upb_FieldDef* f);
 bool upb_FieldDef_IsExtension(const upb_FieldDef* f);
 UPB_API bool upb_FieldDef_IsMap(const upb_FieldDef* f);
 bool upb_FieldDef_IsOptional(const upb_FieldDef* f);
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.c b/ruby/ext/google/protobuf_c/ruby-upb.c
index d90b3eea1d0d..a426daf84f42 100644
--- a/ruby/ext/google/protobuf_c/ruby-upb.c
+++ b/ruby/ext/google/protobuf_c/ruby-upb.c
@@ -13189,11 +13189,11 @@ upb_MessageValue upb_FieldDef_Default(const upb_FieldDef* f) {
 }
 
 const upb_MessageDef* upb_FieldDef_MessageSubDef(const upb_FieldDef* f) {
-  return upb_FieldDef_CType(f) == kUpb_CType_Message ? f->sub.msgdef : NULL;
+  return upb_FieldDef_IsSubMessage(f) ? f->sub.msgdef : NULL;
 }
 
 const upb_EnumDef* upb_FieldDef_EnumSubDef(const upb_FieldDef* f) {
-  return upb_FieldDef_CType(f) == kUpb_CType_Enum ? f->sub.enumdef : NULL;
+  return upb_FieldDef_IsEnum(f) ? f->sub.enumdef : NULL;
 }
 
 const upb_MiniTableField* upb_FieldDef_MiniTable(const upb_FieldDef* f) {
@@ -13291,8 +13291,11 @@ bool upb_FieldDef_HasDefault(const upb_FieldDef* f) { return f->has_default; }
 bool upb_FieldDef_HasPresence(const upb_FieldDef* f) { return f->has_presence; }
 
 bool upb_FieldDef_HasSubDef(const upb_FieldDef* f) {
-  return upb_FieldDef_IsSubMessage(f) ||
-         upb_FieldDef_CType(f) == kUpb_CType_Enum;
+  return upb_FieldDef_IsSubMessage(f) || upb_FieldDef_IsEnum(f);
+}
+
+bool upb_FieldDef_IsEnum(const upb_FieldDef* f) {
+  return upb_FieldDef_CType(f) == kUpb_CType_Enum;
 }
 
 bool upb_FieldDef_IsMap(const upb_FieldDef* f) {
diff --git a/ruby/ext/google/protobuf_c/ruby-upb.h b/ruby/ext/google/protobuf_c/ruby-upb.h
index 76b6af3e2b20..7307f5e25276 100755
--- a/ruby/ext/google/protobuf_c/ruby-upb.h
+++ b/ruby/ext/google/protobuf_c/ruby-upb.h
@@ -11871,6 +11871,7 @@ bool upb_FieldDef_HasOptions(const upb_FieldDef* f);
 UPB_API bool upb_FieldDef_HasPresence(const upb_FieldDef* f);
 bool upb_FieldDef_HasSubDef(const upb_FieldDef* f);
 uint32_t upb_FieldDef_Index(const upb_FieldDef* f);
+UPB_API bool upb_FieldDef_IsEnum(const upb_FieldDef* f);
 bool upb_FieldDef_IsExtension(const upb_FieldDef* f);
 UPB_API bool upb_FieldDef_IsMap(const upb_FieldDef* f);
 bool upb_FieldDef_IsOptional(const upb_FieldDef* f);