3 files changed, 3 insertions, 4 deletions
diff --git a/src/objective-c/GRPCClient/GRPCCall+ChannelArg.m b/src/objective-c/GRPCClient/GRPCCall+ChannelArg.m
index 805e54b890..d44e39f551 100644
--- a/src/objective-c/GRPCClient/GRPCCall+ChannelArg.m
+++ b/src/objective-c/GRPCClient/GRPCCall+ChannelArg.m
@@ -46,10 +46,10 @@
       hostConfig.compressAlgorithm = GRPC_COMPRESS_NONE;
       break;
     case GRPCCompressDeflate:
-      hostConfig.compressAlgorithm = GRPC_COMPRESS_DEFLATE;
+      hostConfig.compressAlgorithm = GRPC_COMPRESS_MESSAGE_DEFLATE;
       break;
     case GRPCCompressGzip:
-      hostConfig.compressAlgorithm = GRPC_COMPRESS_GZIP;
+      hostConfig.compressAlgorithm = GRPC_COMPRESS_MESSAGE_GZIP;
       break;
     default:
       NSLog(@"Invalid compression algorithm");
diff --git a/src/objective-c/GRPCClient/private/GRPCChannel.m b/src/objective-c/GRPCClient/private/GRPCChannel.m
index b78b14f2af..26efe90abd 100644
--- a/src/objective-c/GRPCClient/private/GRPCChannel.m
+++ b/src/objective-c/GRPCClient/private/GRPCChannel.m
@@ -189,6 +189,7 @@ static grpc_channel_args *BuildChannelArgs(NSDictionary *dictionary) {
     timeout = 0;
   }
   grpc_slice host_slice;
+  memset(&host_slice, 0, sizeof(host_slice));
   if (serverName) {
     host_slice = grpc_slice_from_copied_string(serverName.UTF8String);
   }
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index d26d13475d..9a0fa5954a 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -68,8 +68,6 @@
     _op.data.send_initial_metadata.metadata = metadata.grpc_metadataArray;
     _op.data.send_initial_metadata.maybe_compression_level.is_set = false;
     _op.data.send_initial_metadata.maybe_compression_level.level = 0;
-    _op.data.send_initial_metadata.maybe_stream_compression_level.is_set = false;
-    _op.data.send_initial_metadata.maybe_stream_compression_level.level = 0;
     _op.flags = flags;
     _handler = handler;
   }