diff --git a/units.go b/units.go
index 59029d1..24edd60 100644
--- a/units.go
+++ b/units.go
@@ -50,7 +50,8 @@ func FormatNumber(val uint64, base uint64) (string, string) {
 	}
 }
 
-func SafeUint64(i int) uint64 {
+// Converts int, int32, and int64 to uint64. Less than 0 check.
+func SafeUint64[I int | int32 | int64](i I) uint64 {
 	if i < 0 {
 		log.Printf("Tried to cast %d to uint64", i)
 		return 0