diff --git a/src/bindings/cpp/include/key.hpp b/src/bindings/cpp/include/key.hpp
index 97334c77570..57f3518590f 100644
--- a/src/bindings/cpp/include/key.hpp
+++ b/src/bindings/cpp/include/key.hpp
@@ -11,7 +11,18 @@
 
 #include <cstdarg>
 #include <cstring>
+
+#if __GNUC__ >= 12
+#pragma GCC diagnostic error "-Wmaybe-uninitialized"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#include <functional>
+#pragma GCC diagnostic pop
+#pragma GCC diagnostic pop
+#else
 #include <functional>
+#endif
+
 #include <locale>
 #include <sstream>
 #include <string>
diff --git a/src/tools/kdb/gen/highlevel/common.hpp b/src/tools/kdb/gen/highlevel/common.hpp
index 3a631085e49..4d799415f23 100644
--- a/src/tools/kdb/gen/highlevel/common.hpp
+++ b/src/tools/kdb/gen/highlevel/common.hpp
@@ -11,7 +11,18 @@
 #define ELEKTRA_KDB_GEN_HIGHLEVEL_COMMON_HPP
 
 #include <kdb.hpp>
+
+#if __GNUC__ >= 12
+#pragma GCC diagnostic error "-Wmaybe-uninitialized"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#include <regex>
+#pragma GCC diagnostic pop
+#pragma GCC diagnostic pop
+#else
 #include <regex>
+#endif
+
 
 std::string upCaseFirst (const std::string & str);
 
diff --git a/src/tools/kdb/gen/mustache.hpp b/src/tools/kdb/gen/mustache.hpp
index 3311516b1cc..7c1429b2b2e 100644
--- a/src/tools/kdb/gen/mustache.hpp
+++ b/src/tools/kdb/gen/mustache.hpp
@@ -34,7 +34,18 @@
 
 #include <cassert>
 #include <cctype>
+
+#if __GNUC__ >= 12
+#pragma GCC diagnostic error "-Wmaybe-uninitialized"
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#include <functional>
+#pragma GCC diagnostic pop
+#pragma GCC diagnostic pop
+#else
 #include <functional>
+#endif
+
 #include <iostream>
 #include <memory>
 #include <sstream>