diff --git a/compiler/sempass2.nim b/compiler/sempass2.nim
index c1279f3754..ceb79adaef 100644
--- a/compiler/sempass2.nim
+++ b/compiler/sempass2.nim
@@ -1550,6 +1550,7 @@ proc track(tracked: PEffects, n: PNode) =
 
     # Check for implicit range conversions
     if n.kind == nkHiddenStdConv and (not tracked.isArrayIndexing) and
+          n[1].kind notin {nkCharLit..nkUInt64Lit, nkFloatLit..nkFloat64Lit} and
           shouldWarnRangeConversion(tracked.config, n.info, n.typ, n[1].typ):
       message(tracked.config, n.info, warnImplicitRangeConversion,
               typeToString(n[1].typ) & " -> " & typeToString(n.typ))
diff --git a/tests/range/timplicitrangedownsizing3.nim b/tests/range/timplicitrangedownsizing3.nim
new file mode 100644
index 0000000000..f16ea3d35e
--- /dev/null
+++ b/tests/range/timplicitrangedownsizing3.nim
@@ -0,0 +1,7 @@
+discard """
+  matrix: "--warning:systemRangeConversion --warningaserror:systemRangeConversion"
+"""
+
+proc foo(x: range[0..100]) = discard
+
+foo(12)
\ No newline at end of file