diff --git a/cluster-autoscaler/cloudprovider/gce/autoscaling_gce_client.go b/cluster-autoscaler/cloudprovider/gce/autoscaling_gce_client.go
index c16475bcf14a..3d2447306127 100644
--- a/cluster-autoscaler/cloudprovider/gce/autoscaling_gce_client.go
+++ b/cluster-autoscaler/cloudprovider/gce/autoscaling_gce_client.go
@@ -453,15 +453,19 @@ func isReservationNotReady(errorCode, errorMessage string) bool {
 }
 
 func isInvalidReservationError(errorCode, errorMessage string) bool {
-	reservationErrors := []string{
-		"Incompatible AggregateReservation VMFamily",
-		"Could not find the given reservation with the following name",
-		"must use ReservationAffinity of",
-		"The reservation must exist in the same project as the instance",
-		"only compatible with Aggregate Reservations",
+	regexReservationErrors := []*regexp.Regexp{
+		regexp.MustCompile("Incompatible AggregateReservation VMFamily"),
+		regexp.MustCompile("Could not find the given reservation with the following name"),
+		regexp.MustCompile("must use ReservationAffinity of"),
+		regexp.MustCompile("The reservation must exist in the same project as the instance"),
+		regexp.MustCompile("only compatible with Aggregate Reservations"),
+		regexp.MustCompile("instance configuration is optimized for ([a-z0-9*-]+) workloads"),
+		regexp.MustCompile("instance configuration is optimized for ([a-z0-9*-]+) workloads"),
+		regexp.MustCompile("should be a ([a-zA-Z0-9*-]+) VM Family for instance with ([a-zA-Z0-9*\\ -]*) machine type"),
+		regexp.MustCompile("is not supported for aggregate reservations. It must be one of"),
 	}
-	for _, rErr := range reservationErrors {
-		if strings.Contains(errorMessage, rErr) {
+	for _, re := range regexReservationErrors {
+		if re.MatchString(errorMessage) {
 			return true
 		}
 	}