diff --git a/iOS/Plugins/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin/ObjectMapper.m b/iOS/Plugins/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin/ObjectMapper.m
index ffb2e5471..06d0c997c 100644
--- a/iOS/Plugins/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin/ObjectMapper.m
+++ b/iOS/Plugins/FlipperKitDatabasesPlugin/FlipperKitDatabasesPlugin/ObjectMapper.m
@@ -131,7 +131,7 @@ static NSString* const UNKNOWN_BLOB_LABEL_FORMAT = @"{%d-byte %@ blob}";
     return @{@"type" : @"null"};
   } else if ([object isKindOfClass:[NSNumber class]]) {
     NSNumber* number = (NSNumber*)object;
-    NSString* type = [NSString stringWithCString:[number objCType]];
+    NSString* type = [NSString stringWithUTF8String:[number objCType]];
 
     if ([type isEqualToString:@"i"]) {
       return @{@"type" : @"integer", @"value" : number};