diff --git a/include/libcamera/internal/yaml_parser.h b/include/libcamera/internal/yaml_parser.h
index e38a2df9..f8e4f841 100644
--- a/include/libcamera/internal/yaml_parser.h
+++ b/include/libcamera/internal/yaml_parser.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#include <stdint.h>
+
 #include <iterator>
 #include <map>
 #include <optional>