diff --git a/platform/default/image.cpp b/platform/default/image.cpp
index 988d2f4a4..0cfcd4100 100644
--- a/platform/default/image.cpp
+++ b/platform/default/image.cpp
@@ -112,4 +112,4 @@ PremultipliedImage decodeImage(const std::string& string) {
     throw std::runtime_error("unsupported image type");
 }
 
-}
+} // namespace mbgl
diff --git a/platform/default/jpeg_reader.cpp b/platform/default/jpeg_reader.cpp
index b9518c71b..7ef367233 100644
--- a/platform/default/jpeg_reader.cpp
+++ b/platform/default/jpeg_reader.cpp
@@ -156,4 +156,4 @@ PremultipliedImage decodeJPEG(const uint8_t* data, size_t size) {
     return image;
 }
 
-}
+} // namespace mbgl
diff --git a/platform/default/png_reader.cpp b/platform/default/png_reader.cpp
index 096596ee2..821004922 100644
--- a/platform/default/png_reader.cpp
+++ b/platform/default/png_reader.cpp
@@ -130,4 +130,4 @@ PremultipliedImage decodePNG(const uint8_t* data, size_t size) {
     return util::premultiply(std::move(image));
 }
 
-}
+} // namespace mbgl
diff --git a/platform/default/string_stdlib.cpp b/platform/default/string_stdlib.cpp
index ac4c26234..4cd6c2077 100644
--- a/platform/default/string_stdlib.cpp
+++ b/platform/default/string_stdlib.cpp
@@ -73,4 +73,5 @@ std::string lowercase(const std::string& str)
     return output.str();
 }
 
-}}
+} // namespace platform
+} // namespace mbgl