diff --git a/compiler/semstmts.nim b/compiler/semstmts.nim
index c4cd623d9b..9295b873c8 100644
--- a/compiler/semstmts.nim
+++ b/compiler/semstmts.nim
@@ -2351,7 +2351,7 @@ proc semCppMember(c: PContext; s: PSym; n: PNode) =
           isInitializer = false
           break
         var j = 0
-        while p[j].sym.kind == skParam:
+        while p[j].kind == nkSym and p[j].sym.kind == skParam:
           initializerCall.add val
           inc j
       if isInitializer:
diff --git a/tests/cpp/tconstructor.nim b/tests/cpp/tconstructor.nim
index 922ee54fd4..2076b15d8d 100644
--- a/tests/cpp/tconstructor.nim
+++ b/tests/cpp/tconstructor.nim
@@ -128,4 +128,10 @@ block:
     var b = makeBoo()
     var b2 = makeBoo2()
 
-  main()
\ No newline at end of file
+  main()
+
+block: # bug #24658
+  type
+    A {.importcpp: "A".} = object
+
+  proc a(something: ptr cint = nil): A {.cdecl, constructor, importcpp: "A(@)".}