diff --git a/libs/random/include/psemek/random/generator.hpp b/libs/random/include/psemek/random/generator.hpp
index 13ce32dd..4831a862 100644
--- a/libs/random/include/psemek/random/generator.hpp
+++ b/libs/random/include/psemek/random/generator.hpp
@@ -3,6 +3,8 @@
 #include <cstdint>
 #include <limits>
 
+#include <psemek/random/device.hpp>
+
 namespace psemek::random
 {
 
@@ -17,8 +19,12 @@ namespace psemek::random
 			, inc_{inc}
 		{}
 
-		template <typename RD>
-		generator(RD && rd)
+		generator(device & rd)
+			: state_{gen64(rd)}
+			, inc_{gen64(rd)}
+		{}
+
+		generator(device && rd)
 			: state_{gen64(rd)}
 			, inc_{gen64(rd)}
 		{}