diff --git a/dump1090.c b/dump1090.c
index d5c3111..7db63b4 100644
--- a/dump1090.c
+++ b/dump1090.c
@@ -603,6 +603,15 @@ int main(int argc, char **argv) {
         }
     }
 
+    if (Modes.sdr_type == SDR_NONE && !Modes.net) {
+        fprintf(stderr,
+                "No SDR available and network mode not enabled; nothing to do!\n"
+                "Select a SDR type (--device-type or --ifile), or enable network mode (--net)\n"
+                "Try %s --help for full option help.\n",
+                argv[0]);
+        exit(1);
+    }
+
 #ifdef _WIN32
     // Try to comply with the Copyright license conditions for binary distribution
     if (!Modes.quiet) {showCopyright();}
diff --git a/sdr.c b/sdr.c
index 2a5da96..41e3ef2 100644
--- a/sdr.c
+++ b/sdr.c
@@ -98,8 +98,8 @@ static sdr_handler sdr_handlers[] = {
     { "limesdr", SDR_LIMESDR, limesdrInitConfig, limesdrShowHelp, limesdrHandleOption, limesdrOpen, limesdrRun, limesdrClose },
 #endif
 
-    { "ifile", SDR_IFILE, ifileInitConfig, ifileShowHelp, ifileHandleOption, ifileOpen, ifileRun, ifileClose },
     { "none", SDR_NONE, noInitConfig, noShowHelp, noHandleOption, noOpen, noRun, noClose },
+    { "ifile", SDR_IFILE, ifileInitConfig, ifileShowHelp, ifileHandleOption, ifileOpen, ifileRun, ifileClose },
 
     { NULL, SDR_NONE, NULL, NULL, NULL, NULL, NULL, NULL } /* must come last */
 };