diff --git a/common/cpp/src/database/encoding.cpp b/common/cpp/src/database/encoding.cpp
index 97b19e5efe8703448c60c524636285f9facf9fbb..ca3df51963679544e4003905b4626ddffe26c17c 100644
--- a/common/cpp/src/database/encoding.cpp
+++ b/common/cpp/src/database/encoding.cpp
@@ -1,5 +1,7 @@
 #include "encoding.h"
 #include <regex>
+#include <string.h>
+#include <stdio.h>
 
 namespace asapo {