diff --git a/api/client/cloudprovider/aws.pb.go b/api/client/cloudprovider/aws.pb.go
index eca20262..d5927ff5 100644
--- a/api/client/cloudprovider/aws.pb.go
+++ b/api/client/cloudprovider/aws.pb.go
@@ -554,7 +554,7 @@ type AwsBaseImageSettings struct {
 	// Base image configuration.
 	BaseImage *AwsBaseImage `protobuf:"bytes,1,opt,name=baseImage,proto3" json:"baseImage,omitempty"`
 	// Base image virtualization settings.
-	VirtualizationSettings *AwsVirtualizationSettings `protobuf:"bytes,2,opt,name=virtualizationSettings,proto3" json:"virtualizationSettings,omitempty"`
+	VirtualizationSettings []*AwsVirtualizationSettings `protobuf:"bytes,2,rep,name=virtualizationSettings,proto3" json:"virtualizationSettings,omitempty"`
 }
 
 func (x *AwsBaseImageSettings) Reset() {
@@ -596,7 +596,7 @@ func (x *AwsBaseImageSettings) GetBaseImage() *AwsBaseImage {
 	return nil
 }
 
-func (x *AwsBaseImageSettings) GetVirtualizationSettings() *AwsVirtualizationSettings {
+func (x *AwsBaseImageSettings) GetVirtualizationSettings() []*AwsVirtualizationSettings {
 	if x != nil {
 		return x.VirtualizationSettings
 	}
@@ -1126,7 +1126,7 @@ var file_cloudprovider_aws_proto_rawDesc = []byte{
 	0x76, 0x69, 0x64, 0x65, 0x72, 0x2e, 0x41, 0x77, 0x73, 0x42, 0x61, 0x73, 0x65, 0x49, 0x6d, 0x61,
 	0x67, 0x65, 0x52, 0x09, 0x62, 0x61, 0x73, 0x65, 0x49, 0x6d, 0x61, 0x67, 0x65, 0x12, 0x66, 0x0a,
 	0x16, 0x76, 0x69, 0x72, 0x74, 0x75, 0x61, 0x6c, 0x69, 0x7a, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x53,
-	0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x2e, 0x2e,
+	0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x2e, 0x2e,
 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x63, 0x6c, 0x6f, 0x75, 0x64, 0x70, 0x72, 0x6f, 0x76, 0x69,
 	0x64, 0x65, 0x72, 0x2e, 0x41, 0x77, 0x73, 0x56, 0x69, 0x72, 0x74, 0x75, 0x61, 0x6c, 0x69, 0x7a,
 	0x61, 0x74, 0x69, 0x6f, 0x6e, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x52, 0x16, 0x76,
diff --git a/api/proto/cloudprovider/aws.proto b/api/proto/cloudprovider/aws.proto
index 00b0e38a..7f62a2e5 100644
--- a/api/proto/cloudprovider/aws.proto
+++ b/api/proto/cloudprovider/aws.proto
@@ -154,7 +154,7 @@ message AwsBaseImageSettings {
     AwsBaseImage baseImage = 1;
 
     // Base image virtualization settings.
-    AwsVirtualizationSettings virtualizationSettings = 2;
+    repeated AwsVirtualizationSettings virtualizationSettings = 2;
 }
 
 // Base image configuration.
diff --git a/docs/docs.md b/docs/docs.md
index 199f293d..46443190 100644
--- a/docs/docs.md
+++ b/docs/docs.md
@@ -2173,7 +2173,7 @@ Configuration for a base image for the AWS provider's bakery.
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
 | baseImage | [AwsBaseImage](#proto.cloudprovider.AwsBaseImage) |  | Base image configuration. |
-| virtualizationSettings | [AwsVirtualizationSettings](#proto.cloudprovider.AwsVirtualizationSettings) |  | Base image virtualization settings. |
+| virtualizationSettings | [AwsVirtualizationSettings](#proto.cloudprovider.AwsVirtualizationSettings) | repeated | Base image virtualization settings. |
 
 
 
diff --git a/internal/convert/rosco_test.go b/internal/convert/rosco_test.go
index 402bd654..061686d5 100644
--- a/internal/convert/rosco_test.go
+++ b/internal/convert/rosco_test.go
@@ -93,10 +93,12 @@ var roscoTests = configTest{
 										Id:               "my-image",
 										ShortDescription: "this is an image",
 									},
-									VirtualizationSettings: &cloudprovider.AwsVirtualizationSettings{
-										Region:             "us-east-1",
-										VirtualizationType: "hvm",
-										InstanceType:       "t2-micro",
+									VirtualizationSettings: []*cloudprovider.AwsVirtualizationSettings{
+										{
+											Region:             "us-east-1",
+											VirtualizationType: "hvm",
+											InstanceType:       "t2-micro",
+										},
 									},
 								},
 							},
@@ -123,10 +125,12 @@ var roscoTests = configTest{
 									Id:               "my-image",
 									ShortDescription: "this is an image",
 								},
-								VirtualizationSettings: &cloudprovider.AwsVirtualizationSettings{
-									Region:             "us-east-1",
-									VirtualizationType: "hvm",
-									InstanceType:       "t2-micro",
+								VirtualizationSettings: []*cloudprovider.AwsVirtualizationSettings{
+									{
+										Region:             "us-east-1",
+										VirtualizationType: "hvm",
+										InstanceType:       "t2-micro",
+									},
 								},
 							},
 						},
diff --git a/testdata/clouddriver.yml b/testdata/clouddriver.yml
index c5ee4f4d..fba28e26 100644
--- a/testdata/clouddriver.yml
+++ b/testdata/clouddriver.yml
@@ -108,6 +108,7 @@ aws:
         id: my-image-id
         shortDescription: my short description
       virtualizationSettings:
+      - region: us-west-2
         sourceAmi: my-source-ami
         virtualizationType: pv
     defaultVirtualizationType: pv
diff --git a/testdata/halconfig.yml b/testdata/halconfig.yml
index d3bbc2e0..50430b18 100644
--- a/testdata/halconfig.yml
+++ b/testdata/halconfig.yml
@@ -309,8 +309,9 @@ providers:
           id: my-image-id
           shortDescription: my short description
         virtualizationSettings:
-          sourceAmi: my-source-ami
-          virtualizationType: pv
+          - region: us-west-2
+            sourceAmi: my-source-ami
+            virtualizationType: pv
       defaultVirtualizationType: pv
       templateFile: file
     defaultKeyPairTemplate: '{{name}}-keypair'
diff --git a/testdata/rosco.yml b/testdata/rosco.yml
index 4a0c472e..acb579db 100644
--- a/testdata/rosco.yml
+++ b/testdata/rosco.yml
@@ -28,6 +28,7 @@ aws:
         id: my-image-id
         shortDescription: my short description
       virtualizationSettings:
+      - region: us-west-2
         sourceAmi: my-source-ami
         virtualizationType: pv
     defaultVirtualizationType: pv