diff --git a/openhantek/src/hantekdso/hantekdsocontrol.cpp b/openhantek/src/hantekdso/hantekdsocontrol.cpp
index 7a55a39..2abdcec 100644
--- a/openhantek/src/hantekdso/hantekdsocontrol.cpp
+++ b/openhantek/src/hantekdso/hantekdsocontrol.cpp
@@ -762,7 +762,7 @@ void HantekDsoControl::run() {
     }
 
     // Check if we're in single trigger mode
-    if (controlsettings.trigger.mode == Dso::TriggerMode::SINGLE && this->_samplingStarted)
+    if (controlsettings.trigger.mode == Dso::TriggerMode::SINGLE && this->_samplingStarted && (softwareTrigger() >= 0))
         this->enableSampling(false);
 
     // Sampling completed, restart it when necessary