1 files changed, 1 insertions, 1 deletions

diff --git a/include/mingw.h b/include/mingw.h
index 7224ba50a..a32d78ad0 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -340,7 +340,7 @@ int setitimer(int type, struct itimerval *in, struct itimerval *out);
  */
 #define WNOHANG 1
 #define WUNTRACED 2
-int waitpid(pid_t pid, int *status, unsigned options);
+int waitpid(pid_t pid, int *status, int options);
 
 /*
  * time.h