diff --git a/src/ros2cs/rosidl_generator_cs/resource/msg.cs.em b/src/ros2cs/rosidl_generator_cs/resource/msg.cs.em
index a58d00c7..e01bfa66 100644
--- a/src/ros2cs/rosidl_generator_cs/resource/msg.cs.em
+++ b/src/ros2cs/rosidl_generator_cs/resource/msg.cs.em
@@ -336,8 +336,11 @@ public class @(message_class) : @(internals_interface), @(parent_interface)
       int arraySize = 0;
       IntPtr pArr = native_read_field_@(member.name)(out arraySize, handle);
       @(get_field_name(member.type, member.name, message_class)) = new @(get_dotnet_type(member.type.value_type))[arraySize];
+@[    if (get_marshal_array_type(member.type)) == 'char']@
+      byte[] __@(get_field_name(member.type, member.name, message_class)) = new byte[arraySize];
+@[    else]@
       @(get_marshal_array_type(member.type))[] __@(get_field_name(member.type, member.name, message_class)) = new @(get_marshal_array_type(member.type))[arraySize];
-
+@[    end if]@
       if (arraySize != 0)
       {
         int start = 0;
@@ -451,4 +454,4 @@ public class @(message_class) : @(internals_interface), @(parent_interface)
 @#<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
 @[for ns in reversed(message.structure.namespaced_type.namespaces)]@
 }  // namespace @(ns)
-@[end for]@
+@[end for]@
\ No newline at end of file
diff --git a/src/ros2cs/rosidl_generator_cs/rosidl_generator_cs/generate_cs_impl.py b/src/ros2cs/rosidl_generator_cs/rosidl_generator_cs/generate_cs_impl.py
index 54739267..2e087e32 100644
--- a/src/ros2cs/rosidl_generator_cs/rosidl_generator_cs/generate_cs_impl.py
+++ b/src/ros2cs/rosidl_generator_cs/rosidl_generator_cs/generate_cs_impl.py
@@ -108,12 +108,12 @@ def get_marshal_type(type_):
     'float': 'float',
     'double': 'double',
     'long double': 'double',
-    'char': 'char',
-    'wchar': 'short',
+    'char': 'byte',
+    'wchar': 'char',
     'boolean': 'byte',
     'octet': 'byte',
     'uint8': 'byte',
-    'int8': 'char',
+    'int8': 'byte',
     'uint16': 'short',
     'int16': 'short',
     'uint32': 'int',
@@ -135,8 +135,8 @@ def get_marshal_array_type(type_):
     'float' : 'float',
     'double' : 'double',
     'long double': 'double',
-    'char' : 'char',
-    'wchar' : 'ushort',
+    'char' : 'byte',
+    'wchar' : 'char',
     'boolean' : 'bool',
     'octet' : 'byte',
     'uint8' : 'byte',