diff --git a/dbms/include/DB/Dictionaries/Embedded/RegionsHierarchy.h b/dbms/include/DB/Dictionaries/Embedded/RegionsHierarchy.h
index 56e7de0854d..0c3062f7ea7 100644
--- a/dbms/include/DB/Dictionaries/Embedded/RegionsHierarchy.h
+++ b/dbms/include/DB/Dictionaries/Embedded/RegionsHierarchy.h
@@ -102,14 +102,14 @@ public:
 		RegionID max_region_id = 0;
 		while (!in.eof())
 		{
-			RegionID region_id = 0;
-			RegionID parent_id = 0;
+			Int32 read_region_id = 0;
+			Int32 read_parent_id = 0;
 			RegionType type = 0;
 			RegionPopulation population = 0;
 
-			DB::readIntText(region_id, in);
+			DB::readIntText(read_region_id, in);
 			DB::assertChar('\t', in);
-			DB::readIntText(parent_id, in);
+			DB::readIntText(read_parent_id, in);
 			DB::assertChar('\t', in);
 			DB::readIntText(type, in);
 
@@ -127,11 +127,14 @@ public:
 			}
 			DB::assertChar('\n', in);
 
-			if (region_id <= 0)
+			if (read_region_id <= 0)
 				continue;
 
-			if (parent_id < 0)
-				parent_id = 0;
+			RegionID region_id = read_region_id;
+			RegionID parent_id = 0;
+
+			if (read_parent_id >= 0)
+				parent_id = read_parent_id;
 
 			if (region_id > max_region_id)
 			{
diff --git a/dbms/include/DB/Dictionaries/Embedded/RegionsNames.h b/dbms/include/DB/Dictionaries/Embedded/RegionsNames.h
index b56f3fbc3e5..6f02c5122cc 100644
--- a/dbms/include/DB/Dictionaries/Embedded/RegionsNames.h
+++ b/dbms/include/DB/Dictionaries/Embedded/RegionsNames.h
@@ -116,17 +116,19 @@ public:
 
 			while (!in.eof())
 			{
-				RegionID region_id;
+				Int32 read_region_id;
 				std::string region_name;
 
-				DB::readIntText(region_id, in);
+				DB::readIntText(read_region_id, in);
 				DB::assertChar('\t', in);
 				DB::readString(region_name, in);
 				DB::assertChar('\n', in);
 
-				if (region_id <= 0)
+				if (read_region_id <= 0)
 					continue;
 
+				RegionID region_id = read_region_id;
+
 				size_t old_size = new_chars.size();
 
 				if (new_chars.capacity() < old_size + region_name.length() + 1)