diff --git a/src/common/windows/common_windows.gyp b/src/common/windows/common_windows.gyp
index 095ab9e2..5f7594b1 100644
--- a/src/common/windows/common_windows.gyp
+++ b/src/common/windows/common_windows.gyp
@@ -77,7 +77,7 @@
         'guid_string.h',
         'http_upload.cc',
         'http_upload.h',
-        'module_info.h'
+        'module_info.h',
         'omap.cc',
         'omap.h',
         'omap_internal.h',
diff --git a/src/common/windows/pe_source_line_writer.cpp b/src/common/windows/pe_source_line_writer.cc
similarity index 100%
rename from src/common/windows/pe_source_line_writer.cpp
rename to src/common/windows/pe_source_line_writer.cc
diff --git a/src/common/windows/pe_util.cpp b/src/common/windows/pe_util.cc
similarity index 100%
rename from src/common/windows/pe_util.cpp
rename to src/common/windows/pe_util.cc