diff --git a/scripts/lib/compatlayer/cases/common.py b/scripts/lib/compatlayer/cases/common.py
index b91da9bb14..a4c2a51aba 100644
--- a/scripts/lib/compatlayer/cases/common.py
+++ b/scripts/lib/compatlayer/cases/common.py
@@ -75,5 +75,17 @@ class CommonCompatLayer(OECompatLayerTestCase):
             msg.append('Layer %s changed %d signatures, initial differences (first hash without, second with layer):' %
                        (self.tc.layer['name'], len(sig_diff)))
             for diff in sorted(sig_diff_filtered):
+                recipe, taskname = diff[0].rsplit(':', 1)
+                cmd = 'bitbake-diffsigs --task %s %s --signature %s %s' % \
+                      (recipe, taskname, diff[1], diff[2])
                 msg.append('   %s: %s -> %s' % diff)
-            self.assertTrue(False, '\n'.join(msg))
+                msg.append('      %s' % cmd)
+                try:
+                    output = check_command('Determining signature difference failed.',
+                                           cmd).decode('utf-8')
+                except RuntimeError as error:
+                    output = str(error)
+                if output:
+                    msg.extend(['      ' + line for line in output.splitlines()])
+                    msg.append('')
+            self.fail('\n'.join(msg))