diff --git a/src/ciabatta.c b/src/ciabatta.c
index 5f892a7..d9d6a32 100644
--- a/src/ciabatta.c
+++ b/src/ciabatta.c
@@ -68,8 +68,8 @@
 #include "os_win/cookie.c"
 #include "os_win/assert.c"
 #include "os_win/cmdline.c"
-#include "os_win/environment.c"
-#include "os_win/heap.c"
+#include "os_win/env.c"
+#include "os_win/mem.c"
 #include "os_win/signal.c"
 #include "os_win/file.c"
 #include "os_win/thread.c"
diff --git a/src/os_win/environment.c b/src/os_win/env.c
similarity index 100%
rename from src/os_win/environment.c
rename to src/os_win/env.c
diff --git a/src/os_win/heap.c b/src/os_win/mem.c
similarity index 100%
rename from src/os_win/heap.c
rename to src/os_win/mem.c