diff --git a/share/examples/kld/cdev/module/cdevmod.c b/share/examples/kld/cdev/module/cdevmod.c
index 0f6f3cbdbb17..7b9a4531cff0 100644
--- a/share/examples/kld/cdev/module/cdevmod.c
+++ b/share/examples/kld/cdev/module/cdevmod.c
@@ -134,7 +134,7 @@ cdev_load(module_t mod, int cmd, void *arg)
 	break;		/* Success*/
 
     default:	/* we only understand load/unload*/
-	err = EINVAL;
+	err = EOPNOTSUPP;
 	break;
     }
 
diff --git a/share/examples/kld/dyn_sysctl/dyn_sysctl.c b/share/examples/kld/dyn_sysctl/dyn_sysctl.c
index 628dbf387a6d..bcef7d472c5e 100644
--- a/share/examples/kld/dyn_sysctl/dyn_sysctl.c
+++ b/share/examples/kld/dyn_sysctl/dyn_sysctl.c
@@ -153,7 +153,7 @@ load (module_t mod, int cmd, void *arg)
 			printf("Ok\n");
 		break;
 	default :
-		error = EINVAL;
+		error = EOPNOTSUPP;
 		break;
 	}
 	return error;
diff --git a/share/examples/kld/syscall/module/syscall.c b/share/examples/kld/syscall/module/syscall.c
index eb168c3c5713..f65668b3a907 100644
--- a/share/examples/kld/syscall/module/syscall.c
+++ b/share/examples/kld/syscall/module/syscall.c
@@ -77,7 +77,7 @@ load (struct module *module, int cmd, void *arg)
 		printf ("syscall unloaded from %d\n", offset);
 		break;
 	default :
-		error = EINVAL;
+		error = EOPNOTSUPP;
 		break;
 	}
 	return error;