diff --git a/app/node/traverser.cpp b/app/node/traverser.cpp
index 0364bb7dc..fe284f0c7 100644
--- a/app/node/traverser.cpp
+++ b/app/node/traverser.cpp
@@ -162,7 +162,7 @@ int NodeTraverser::GetChannelCountFromJob(const GenerateJob &job)
   case GenerateJob::kAlphaForceOn:
     return VideoParams::kRGBAChannelCount;
   case GenerateJob::kAlphaForceOff:
-    return VideoParams::kRGBChannelCount;
+    return qMin(VideoParams::kRGBChannelCount, qMax(1, max_channel_count));
   case GenerateJob::kAlphaAuto:
     return max_channel_count;
   }