diff --git a/repo_cloner/lib/cloner.py b/repo_cloner/lib/cloner.py
index f27545f..e28ab2a 100644
--- a/repo_cloner/lib/cloner.py
+++ b/repo_cloner/lib/cloner.py
@@ -100,6 +100,7 @@ class Cloner:
 				continue
 			discovered = repo_tool.list_submodules(commit)
 			if discovered:
+				log.debug(f"Commit refers to {len(discovered)} submodules")
 				for submodule in discovered:
 					if submodule not in submodule_list:
 						log.warning(f"Found new submodule: {submodule}")