diff --git a/context.go b/context.go
index de92eb78..80a6bd7d 100644
--- a/context.go
+++ b/context.go
@@ -175,7 +175,7 @@ func GetCurrentContainerID() string {
 			strLines := string(lines)
 			if id := matchDockerCurrentContainerID(strLines); id != "" {
 				return id
-			} else if matchECSCurrentContainerID(strLines); id != "" {
+			} else if id := matchECSCurrentContainerID(strLines); id != "" {
 				return id
 			}
 		}