diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index 8f5a59b7cd..558f4d6e8e 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -1171,7 +1171,7 @@ proc typeRel(c: var TCandidate, f, aOrig: PType,
     of tyArray:
       var fRange = f[0]
       var aRange = a[0]
-      if fRange.kind == tyGenericParam:
+      if fRange.kind in {tyGenericParam, tyAnything}:
         var prev = PType(idTableGet(c.bindings, fRange))
         if prev == nil:
           put(c, fRange, a[0])
diff --git a/tests/statictypes/t5780.nim b/tests/statictypes/t5780.nim
new file mode 100644
index 0000000000..85548aaadd
--- /dev/null
+++ b/tests/statictypes/t5780.nim
@@ -0,0 +1,3 @@
+type StringArray[N:int] = array[N, string]
+let a = ["one", "two"]
+doAssert a is StringArray