diff --git a/Engine/CLArgs.cpp b/Engine/CLArgs.cpp
index 459e9903cb..9af9eea3c0 100644
--- a/Engine/CLArgs.cpp
+++ b/Engine/CLArgs.cpp
@@ -766,6 +766,12 @@ tryParseMultipleFrameRanges(const QString& args,
 void
 CLArgsPrivate::parse()
 {
+#ifdef DEBUG
+    qDebug() << "args:";
+    for (QStringList::iterator it = args.begin(); it != args.end(); ++it) {
+        qDebug() << *it;
+    }
+#endif
     {
         QStringList::iterator it = hasToken( QString::fromUtf8("version"), QString::fromUtf8("v") );
         if ( it != args.end() ) {
@@ -1223,13 +1229,14 @@ CLArgsPrivate::parse()
         QStringList::iterator it = findFileNameWithExtension( QString::fromUtf8(NATRON_PROJECT_FILE_EXT) );
         if ( it == args.end() ) {
             it = findFileNameWithExtension( QString::fromUtf8("py") );
-            if ( ( it == args.end() ) && !isInterpreterMode && isBackground ) {
-                std::cout << tr("You must specify the filename of a script (.py) or a %1 project. (.%2)").arg( QString::fromUtf8(NATRON_APPLICATION_NAME) ).arg( QString::fromUtf8(NATRON_PROJECT_FILE_EXT) ).toStdString() << std::endl;
+            if (it != args.end()) {
+                isPythonScript = true;
+            } else if (!isInterpreterMode && isBackground) {
+                std::cout << tr("You must specify the filename of a script or %1 project. (.%2)").arg( QString::fromUtf8(NATRON_APPLICATION_NAME) ).arg( QString::fromUtf8(NATRON_PROJECT_FILE_EXT) ).toStdString() << std::endl;
                 error = 1;
 
                 return;
             }
-            isPythonScript = true;
         }
         if ( it != args.end() ) {
             filename = *it;
@@ -1295,6 +1302,12 @@ CLArgsPrivate::parse()
     for (auto&& it: frameRanges) {
         qDebug() << it.first << it.second.first << it.second.second;
     }
+    if ( !args.empty() ) {
+        qDebug() << "Remaining args:";
+        for (QStringList::iterator it = args.begin(); it != args.end(); ++it) {
+            qDebug() << *it;
+        }
+    }
     qDebug() << "* End of command-line parsing results.";
 #endif // DEBUG
 
diff --git a/Tests/wmain.cpp b/Tests/wmain.cpp
index 2a6d1021a7..2c9a2f2872 100755
--- a/Tests/wmain.cpp
+++ b/Tests/wmain.cpp
@@ -20,10 +20,10 @@ GTEST_API_ int main(int argc, char **argv)
     {
         int argc = 0;
         QStringList args;
+        args << QString::fromUtf8(argv[0]);
         args << QString::fromUtf8("--clear-cache");
         args << QString::fromUtf8("--clear-openfx-cache");
         args << QString::fromUtf8("--no-settings");
-        args << QString::fromUtf8("dummy.ntp");
         CLArgs cl(args, true);
         if (!manager.load(argc, 0, cl)) {
             printf("Failed to load AppManager\n");