diff --git a/builtin/providers/aws/resource_aws_autoscaling_group.go b/builtin/providers/aws/resource_aws_autoscaling_group.go
index 0da567389..6aa20b9b6 100644
--- a/builtin/providers/aws/resource_aws_autoscaling_group.go
+++ b/builtin/providers/aws/resource_aws_autoscaling_group.go
@@ -6,6 +6,7 @@ import (
 	"strconv"
 
 	"github.com/hashicorp/terraform/flatmap"
+	"github.com/hashicorp/terraform/helper/config"
 	"github.com/hashicorp/terraform/helper/diff"
 	"github.com/hashicorp/terraform/terraform"
 	"github.com/mitchellh/goamz/autoscaling"
@@ -231,3 +232,21 @@ func resource_aws_autoscaling_group_retrieve(id string, autoscalingconn *autosca
 
 	return &g, nil
 }
+
+func resource_aws_autoscaling_group_validation() *config.Validator {
+	return &config.Validator{
+		Required: []string{
+			"name",
+			"max_size",
+			"min_size",
+			"availability_zones.*",
+			"launch_configuration",
+		},
+		Optional: []string{
+			"health_check_grace_period",
+			"health_check_type",
+			"desired_capicity",
+			"force_delete",
+		},
+	}
+}
diff --git a/builtin/providers/aws/resources.go b/builtin/providers/aws/resources.go
index 8648b8d39..66f613a3d 100644
--- a/builtin/providers/aws/resources.go
+++ b/builtin/providers/aws/resources.go
@@ -13,10 +13,11 @@ func init() {
 	resourceMap = &resource.Map{
 		Mapping: map[string]resource.Resource{
 			"aws_autoscaling_group": resource.Resource{
-				Create:  resource_aws_autoscaling_group_create,
-				Destroy: resource_aws_autoscaling_group_destroy,
-				Diff:    resource_aws_autoscaling_group_diff,
-				Refresh: resource_aws_autoscaling_group_refresh,
+				ConfigValidator: resource_aws_autoscaling_group_validation(),
+				Create:          resource_aws_autoscaling_group_create,
+				Destroy:         resource_aws_autoscaling_group_destroy,
+				Diff:            resource_aws_autoscaling_group_diff,
+				Refresh:         resource_aws_autoscaling_group_refresh,
 			},
 
 			"aws_elb": resource.Resource{