diff --git a/cloud/gcp/memorystore/redis/monitors-memorystore-redis.tf b/cloud/gcp/memorystore/redis/monitors-memorystore-redis.tf
index 55b6463..0bc9616 100644
--- a/cloud/gcp/memorystore/redis/monitors-memorystore-redis.tf
+++ b/cloud/gcp/memorystore/redis/monitors-memorystore-redis.tf
@@ -10,7 +10,7 @@ resource "datadog_monitor" "system_memory_usage_ratio" {
   query = <<EOQ
     ${var.system_memory_usage_ratio_time_aggregator}(${var.system_memory_usage_ratio_timeframe}):
       avg:gcp.redis.stats.memory.system_memory_usage_ratio{${var.filter_tags}} by {instance_id,role}
-    > ${var.system_memory_usage_ratio_threshold_critical}
+    * 100 > ${var.system_memory_usage_ratio_threshold_critical}
 EOQ
 
   thresholds = {