diff --git a/libs/wine/mmap.c b/libs/wine/mmap.c
index 1529a85de47..6ec814ab0ec 100644
--- a/libs/wine/mmap.c
+++ b/libs/wine/mmap.c
@@ -23,11 +23,15 @@
 
 #include <assert.h>
 #include <ctype.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
 #ifdef HAVE_SYS_MMAN_H
 #include <sys/mman.h>
 #endif