diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4875dcf77..a65621c3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@ set(FILES 	util.h
           	data_sizes.h)
 
 if (MSVC)
-	list(APPEND FILES util.c io_win32.c mmap_win32.c)
+	list(APPEND FILES util_win32.c io_win32.c mmap_win32.c)
 else()
 	list(APPEND FILES io_posix.c)
 endif()
diff --git a/util.c b/util_win32.c
similarity index 100%
rename from util.c
rename to util_win32.c