diff --git a/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java b/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java
index e00e161..b623e38 100644
--- a/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java
+++ b/src/main/java/org/micromanager/lightsheetmanager/model/acquisitions/AcquisitionEngine.java
@@ -797,7 +797,7 @@ private boolean doHardwareCalculationsSCAPE(PLogicDISPIM plc) {
         boolean changeChannelPerVolumeSoftware = false;
         boolean changeChannelPerVolumeDoneFirst = false;
         if (acqSettings_.isUsingChannels()) {
-            if (asb_.numChannels() > 1) {
+            if (asb_.numChannels() == 0) {
                 studio_.logs().showError("\"Channels\" is checked, but no channels are selected");
                 return false; // early exit
             }