diff --git a/upup/pkg/fi/cloudup/awsup/aws_cloud.go b/upup/pkg/fi/cloudup/awsup/aws_cloud.go
index 6d1f556c65b56..7693fb9482a9f 100644
--- a/upup/pkg/fi/cloudup/awsup/aws_cloud.go
+++ b/upup/pkg/fi/cloudup/awsup/aws_cloud.go
@@ -236,6 +236,10 @@ func (c *awsCloudImplementation) Region() string {
 
 var awsCloudInstances map[string]AWSCloud = make(map[string]AWSCloud)
 
+func ResetAWSCloudInstances() {
+	awsCloudInstances = make(map[string]AWSCloud)
+}
+
 func NewAWSCloud(region string, tags map[string]string) (AWSCloud, error) {
 	raw := awsCloudInstances[region]
 	if raw == nil {