diff --git a/src/main/java/ai/nets/samj/gui/LoadingButton.java b/src/main/java/ai/nets/samj/gui/LoadingButton.java
index 6d881ab..c6fc52d 100644
--- a/src/main/java/ai/nets/samj/gui/LoadingButton.java
+++ b/src/main/java/ai/nets/samj/gui/LoadingButton.java
@@ -20,6 +20,9 @@
 package ai.nets.samj.gui;
 
 import java.awt.Image;
+import java.awt.event.ActionEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
 import java.io.File;
 import java.io.IOException;
 import java.net.URI;
@@ -96,6 +99,19 @@ public LoadingButton(String text, String filePath, String filename, double anima
         gifLabel = new JLabel(gifIcon);
         gifLabel.setVisible(false); // Initially hide GIF animation
         add(gifLabel);
+        
+        addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseReleased(MouseEvent e) {
+            	if (isEnabled()) {
+                    setPressed(!isSelected());
+                    fireActionPerformed(
+                    		new ActionEvent(LoadingButton.this, 
+                    				ActionEvent.ACTION_PERFORMED, 
+                    				getActionCommand()));
+                }
+            }
+        });
 	}
 	
 	@Override
diff --git a/src/main/java/ai/nets/samj/gui/MainGUI.java b/src/main/java/ai/nets/samj/gui/MainGUI.java
index eceebc4..0181c44 100644
--- a/src/main/java/ai/nets/samj/gui/MainGUI.java
+++ b/src/main/java/ai/nets/samj/gui/MainGUI.java
@@ -49,7 +49,7 @@ public class MainGUI extends JFrame {
     private JCheckBox chkRoiManager = new JCheckBox("Add to RoiManager", true);
     private JCheckBox retunLargest = new JCheckBox("Only return largest ROI", true);
     private JSwitchButton chkInstant = new JSwitchButton("LIVE", "OFF");
-    private JButton go = new JButton("Go");
+    private LoadingButton go = new LoadingButton("Go!", RESOURCES_FOLDER, "loading_animation_samj.gif", 20);;
     private JButton btnBatchSAMize = new JButton("Batch SAMize");
     private JButton close = new JButton("Close");
     private JButton help = new JButton("Help");
@@ -73,9 +73,12 @@ public class MainGUI extends JFrame {
 
     private static String MANUAL_STR = "Manual";
     private static String PRESET_STR = "Preset prompts";
-    private static String ROIM_STR = "Selection from ROIManager";
     private static String VISIBLE_STR = "visible";
     private static String INVISIBLE_STR = "invisible";
+	/**
+	 * Name of the folder where the icon images for the dialog buttons are within the resources folder
+	 */
+	private static final String RESOURCES_FOLDER = "icons_samj/";
 
     private static final List<SAMModel> DEFAULT_MODEL_LIST = new ArrayList<>();
     static {