diff --git a/lldb/scripts/generate-sbapi-dwarf-enum.py b/lldb/scripts/generate-sbapi-dwarf-enum.py
index 7fd603798631..689c7f81bfda 100755
--- a/lldb/scripts/generate-sbapi-dwarf-enum.py
+++ b/lldb/scripts/generate-sbapi-dwarf-enum.py
@@ -16,6 +16,8 @@ HEADER = """\
 #ifndef LLDB_API_SBLANGUAGE_H
 #define LLDB_API_SBLANGUAGE_H
 
+#include <cstdint>
+
 namespace lldb {
 /// Used by \\ref SBExpressionOptions.
 /// These enumerations use the same language enumerations as the DWARF