diff --git a/receiver/jfjoch_action_test.cpp b/receiver/jfjoch_action_test.cpp
index c61e412e..9fe7c162 100644
--- a/receiver/jfjoch_action_test.cpp
+++ b/receiver/jfjoch_action_test.cpp
@@ -70,8 +70,8 @@ int main(int argc, char **argv) {
         aq_devices.push_back(oc_devices[i].get());
     }
 
-    if (nonblocking_mode)
-        logger.Warning("FPGA uses non-blocking mode - in case data acquisition is aborted, it is necessary to cold reboot the machine");
+    if (!nonblocking_mode)
+        logger.Warning("FPGA uses blocking mode - in case data acquisition is aborted, it is necessary to cold reboot the machine");
 
 
     volatile bool done = false;