diff --git a/src/main.cc b/src/main.cc
index 0816c336..fbaa9195 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -38,6 +38,7 @@
 
 #ifdef __MINGW32__
 #  include <shellapi.h>
+#  include <winbase.h>
 #endif // __MINGW32__
 
 #include <aria2/aria2.h>