diff --git a/include/rapidjson/encodedstream.h b/include/rapidjson/encodedstream.h
index f2cfd61..9a93b38 100644
--- a/include/rapidjson/encodedstream.h
+++ b/include/rapidjson/encodedstream.h
@@ -178,10 +178,8 @@ private:
         }
 
         // Runtime check whether the size of character type is sufficient. It only perform checks with assertion.
-        if (type_ == kUTF16LE || type_ == kUTF16BE)
-            RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
-        else if (type_ == kUTF32LE || type_ == kUTF32BE)
-            RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
+        if (type_ == kUTF16LE || type_ == kUTF16BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
+        if (type_ == kUTF32LE || type_ == kUTF32BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
     }
 
     typedef Ch (*TakeFunc)(InputByteStream& is);
@@ -213,10 +211,8 @@ public:
         RAPIDJSON_ASSERT(type >= kUTF8 && type <= kUTF32BE);
 
         // Runtime check whether the size of character type is sufficient. It only perform checks with assertion.
-        if (type_ == kUTF16LE || type_ == kUTF16BE)
-            RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
-        else if (type_ == kUTF32LE || type_ == kUTF32BE)
-            RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
+        if (type_ == kUTF16LE || type_ == kUTF16BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 2);
+        if (type_ == kUTF32LE || type_ == kUTF32BE) RAPIDJSON_ASSERT(sizeof(Ch) >= 4);
 
         static const PutFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Put) };
         putFunc_ = f[type_];