diff --git a/Sources/SegmentAdjust/AdjustDestination.swift b/Sources/SegmentAdjust/AdjustDestination.swift
index 04483db..06797bf 100644
--- a/Sources/SegmentAdjust/AdjustDestination.swift
+++ b/Sources/SegmentAdjust/AdjustDestination.swift
@@ -56,7 +56,7 @@ open class AdjustDestination: NSObject, DestinationPlugin {
         adjustSettings = settings
         
         var environment = ADJEnvironmentSandbox
-        if let _ = settings.setEnvironmentProduction {
+        if let isProduction = settings.setEnvironmentProduction, isProduction {
             environment = ADJEnvironmentProduction
         }