diff --git a/base/commandLine.cpp b/base/commandLine.cpp
index b273e50f811..985ef8b3cbb 100644
--- a/base/commandLine.cpp
+++ b/base/commandLine.cpp
@@ -642,7 +642,23 @@ bool processSettings(Common::String &command, Common::StringMap &settings) {
 	if (!command.empty()) {
 		GameDescriptor gd = Base::findGame(command);
 		if (ConfMan.hasGameDomain(command) || !gd.gameid().empty()) {
+			bool idCameFromCommandLine = false;
+
+			// WORKAROUND: Fix for bug #1719463: "DETECTOR: Launching
+			// undefined target adds launcher entry"
+			//
+			// We designate gameids which come strictly from command line
+			// so AdvancedDetector will not save config file with invalid
+			// gameid in case target autoupgrade was performed
+			if (!ConfMan.hasGameDomain(command)) {
+				idCameFromCommandLine = true;
+			}
+
 			ConfMan.setActiveDomain(command);
+
+			if (idCameFromCommandLine)
+				ConfMan.set("id_came_from_command_line", "1");
+
 		} else {
 			usage("Unrecognized game target '%s'", command.c_str());
 		}
diff --git a/common/advancedDetector.cpp b/common/advancedDetector.cpp
index da65c304113..f0f77ee26ef 100644
--- a/common/advancedDetector.cpp
+++ b/common/advancedDetector.cpp
@@ -212,7 +212,12 @@ PluginError detectGameForEngineCreation(
 					ConfMan.set("platform", Common::getPlatformCode(o->platform));
 	
 				warning("Target upgraded from %s to %s", o->from, o->to);
-				ConfMan.flushToDisk();
+
+				if (ConfMan.hasKey("id_came_from_command_line")) {
+					warning("Target came from command line. Skipping save");
+				} else {
+					ConfMan.flushToDisk();
+				}
 				break;
 			}
 		}