diff --git a/src/com/qualisystems/pythonDriverPlugin/QualiPublishDriverAction.java b/src/com/qualisystems/pythonDriverPlugin/QualiPublishDriverAction.java
index dcd02ea..e643169 100644
--- a/src/com/qualisystems/pythonDriverPlugin/QualiPublishDriverAction.java
+++ b/src/com/qualisystems/pythonDriverPlugin/QualiPublishDriverAction.java
@@ -111,10 +111,20 @@ public void run(@NotNull ProgressIndicator progressIndicator) {
         });
     }
 
-    private File zipProjectFolder(String directory, DriverPublisherSettings settings) throws IOException {
+    private File zipProjectFolder(String directory, DriverPublisherSettings settings) throws Exception {
 
         Map<String, ByteBuffer> extras = new HashMap<>();
 
+        if (settings.sourceRootFolder != null && !settings.sourceRootFolder.isEmpty()) {
+
+            Path sourceFolder = Paths.get(directory, settings.sourceRootFolder);
+
+            if (!Files.exists(sourceFolder))
+                throw new Exception(String.format("Couldn't find specified source folder \"%s\" as in \"%s\"", settings.sourceRootFolder, sourceFolder.toString()));
+
+            directory = sourceFolder.toString();
+        }
+
         if (settings.runFromLocalProject) {
 
             String debugSettingsFileContent = String.format(DebugSettingsFormatString, directory, Boolean.toString(settings.waitForDebugger));
@@ -126,9 +136,6 @@ private File zipProjectFolder(String directory, DriverPublisherSettings settings
 
         Path deploymentFilePath = Paths.get(directory, "deployment", settings.driverUniqueName + ".zip");
 
-        if (settings.sourceRootFolder != null && !settings.sourceRootFolder.isEmpty())
-            directory = Paths.get(directory, settings.sourceRootFolder).toString();
-
         zipHelper.zipDir(directory, deploymentFilePath.toString());
 
         return deploymentFilePath.toFile();