diff --git a/meshroom/nodes/aliceVision/PanoramaInit.py b/meshroom/nodes/aliceVision/PanoramaInit.py
index f51bb4f064..c09c8a31b3 100644
--- a/meshroom/nodes/aliceVision/PanoramaInit.py
+++ b/meshroom/nodes/aliceVision/PanoramaInit.py
@@ -55,10 +55,12 @@ class PanoramaInit(desc.AVCommandLineNode):
         ),
         desc.BoolParam(
             name='buildContactSheet',
-            label='Build contact sheet',
-            description="Build contact sheet for panorama",
+            label='Build Contact Sheet',
+            description='Build the contact sheet for the panorama if an XML data file is provided.\n'
+                        'The contact sheet consists in a preview of the panorama using the input images.',
             value=True,
             uid=[0],
+            enabled=lambda node: node.config.value != ''
         ),
         desc.ListAttribute(
             elementDesc=desc.IntParam(