diff --git a/src/vim9execute.c b/src/vim9execute.c
index 43bae44..a4c6632 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -4697,6 +4697,8 @@
 	    case ISN_COMPAREFUNC:
 	    case ISN_COMPARESTRING:
 	    case ISN_COMPAREBLOB:
+	    case ISN_COMPARECLASS:
+	    case ISN_COMPAREOBJECT:
 		{
 		    typval_T	*tv1 = STACK_TV_BOT(-2);
 		    typval_T	*tv2 = STACK_TV_BOT(-1);
@@ -4726,10 +4728,19 @@
 			status = typval_compare_string(tv1, tv2,
 							   exprtype, ic, &res);
 		    }
-		    else
+		    else if (iptr->isn_type == ISN_COMPAREBLOB)
 		    {
 			status = typval_compare_blob(tv1, tv2, exprtype, &res);
 		    }
+		    else if (iptr->isn_type == ISN_COMPARECLASS)
+		    {
+			status = typval_compare_class(tv1, tv2, exprtype, &res);
+		    }
+		    else // ISN_COMPAREOBJECT
+		    {
+			status = typval_compare_object(tv1, tv2,
+							       exprtype, &res);
+		    }
 		    --ectx->ec_stack.ga_len;
 		    clear_tv(tv1);
 		    clear_tv(tv2);
@@ -6807,6 +6818,8 @@
 	    case ISN_COMPARELIST:
 	    case ISN_COMPAREDICT:
 	    case ISN_COMPAREFUNC:
+	    case ISN_COMPARECLASS:
+	    case ISN_COMPAREOBJECT:
 	    case ISN_COMPAREANY:
 		   {
 		       char *p;
@@ -6844,6 +6857,9 @@
 			   case ISN_COMPARELIST: type = "COMPARELIST"; break;
 			   case ISN_COMPAREDICT: type = "COMPAREDICT"; break;
 			   case ISN_COMPAREFUNC: type = "COMPAREFUNC"; break;
+			   case ISN_COMPARECLASS: type = "COMPARECLASS"; break;
+			   case ISN_COMPAREOBJECT:
+						 type = "COMPAREOBJECT"; break;
 			   case ISN_COMPAREANY: type = "COMPAREANY"; break;
 			   default: type = "???"; break;
 		       }