1 files changed, 1 insertions, 0 deletions
diff --git a/condvar.c b/condvar.c
index 0468294..d11c322 100644
--- a/condvar.c
+++ b/condvar.c
@@ -5,6 +5,7 @@
  * This translation unit implements condition variables and their primitives.
  */
 
+#include <windows.h>
 #include "pthread.h"
 
 int