diff --git a/support/tools/TableGen/Record.h b/support/tools/TableGen/Record.h
index 0118ff1f42c..73b5c741022 100644
--- a/support/tools/TableGen/Record.h
+++ b/support/tools/TableGen/Record.h
@@ -10,7 +10,7 @@
 #include <vector>
 #include <map>
 #include <iostream>
-#include <assert.h>
+#include <cassert>
 
 class Init;
 class UnsetInit;
diff --git a/utils/TableGen/Record.h b/utils/TableGen/Record.h
index 0118ff1f42c..73b5c741022 100644
--- a/utils/TableGen/Record.h
+++ b/utils/TableGen/Record.h
@@ -10,7 +10,7 @@
 #include <vector>
 #include <map>
 #include <iostream>
-#include <assert.h>
+#include <cassert>
 
 class Init;
 class UnsetInit;