diff --git a/compiler/semfold.nim b/compiler/semfold.nim
index 4cf659d63d..3fb15282c2 100644
--- a/compiler/semfold.nim
+++ b/compiler/semfold.nim
@@ -412,7 +412,7 @@ proc foldConv(n, a: PNode; idgen: IdGenerator; g: ModuleGraph; check = false): P
       rangeCheck(n, getInt(result), g)
   of tyFloat..tyFloat64:
     case srcTyp.kind
-    of tyInt..tyInt64, tyEnum, tyBool, tyChar:
+    of tyInt..tyInt64, tyUInt..tyUInt64, tyEnum, tyBool, tyChar:
       result = newFloatNodeT(toFloat64(getOrdValue(a)), n, g)
     else:
       result = a
diff --git a/tests/vm/t19199.nim b/tests/vm/t19199.nim
new file mode 100644
index 0000000000..6ae48cb545
--- /dev/null
+++ b/tests/vm/t19199.nim
@@ -0,0 +1,6 @@
+# bug #19199
+proc mikasa(x: float) = doAssert x == 42
+
+static:
+  mikasa 42.uint.float
+mikasa 42.uint.float