diff --git a/gold/dirsearch.cc b/gold/dirsearch.cc
index 41a2660a88f..5dec3f638d0 100644
--- a/gold/dirsearch.cc
+++ b/gold/dirsearch.cc
@@ -3,6 +3,7 @@
 #include "gold.h"
 
 #include <cerrno>
+#include <cassert>
 #include <sys/types.h>
 #include <dirent.h>
 
diff --git a/gold/workqueue.cc b/gold/workqueue.cc
index 860484ebdc6..716f93db785 100644
--- a/gold/workqueue.cc
+++ b/gold/workqueue.cc
@@ -1,6 +1,9 @@
 // workqueue.cc -- the workqueue for gold
 
 #include "gold.h"
+
+#include <cassert>
+
 #include "workqueue.h"
 
 namespace gold