diff --git a/src/io/soapy.h b/src/io/soapy.h
index c0776929..06ef1a04 100644
--- a/src/io/soapy.h
+++ b/src/io/soapy.h
@@ -18,6 +18,9 @@ namespace io {
         }
 
         void start() {
+            if (devList.size() == 0) {
+                return;
+            }
             if (running) {
                 return;
             }