diff --git a/lib/multi.c b/lib/multi.c
index 78763b27f..3dfccd028 100644
--- a/lib/multi.c
+++ b/lib/multi.c
@@ -31,6 +31,9 @@
 #ifdef HAVE_SYS_SOCKET_H
 #include <sys/socket.h>
 #endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 
 #include <curl/curl.h>
 
diff --git a/lib/share.c b/lib/share.c
index cd555a88f..df4d5ec14 100644
--- a/lib/share.c
+++ b/lib/share.c
@@ -24,6 +24,7 @@
 #include "setup.h"
 #include <stdarg.h>
 #include <stdlib.h>
+#include <string.h>
 #include <curl/curl.h>
 #include "urldata.h"
 #include "share.h"