diff --git a/lib/remote/apiuser.cpp b/lib/remote/apiuser.cpp
index d0c49c15f..a9c2957c8 100644
--- a/lib/remote/apiuser.cpp
+++ b/lib/remote/apiuser.cpp
@@ -34,7 +34,7 @@ void ApiUser::SetPassword(const String& password)
 	SetPasswordRaw(password);
 }
 
-bool ApiUser::CheckPassword(const String& password)
+bool ApiUser::CheckPassword(const String& password) const
 {
 	return password == GetPasswordRaw();
 }
diff --git a/lib/remote/apiuser.hpp b/lib/remote/apiuser.hpp
index 005da3de2..41f8a3a0c 100644
--- a/lib/remote/apiuser.hpp
+++ b/lib/remote/apiuser.hpp
@@ -37,7 +37,7 @@ public:
 
 	String GetPassword(void) const;
 	void SetPassword(const String& password);
-	bool CheckPassword(const String& password);
+	bool CheckPassword(const String& password) const;
 };
 
 }