diff --git a/internal/git/catfile/cache.go b/internal/git/catfile/cache.go
index 0585f7a852ed29a3ab1fae56ffddb39a8ee6b0c4..8d0f999bdfdbd11c47f7cfff7df48c5a5097e2e8 100644
--- a/internal/git/catfile/cache.go
+++ b/internal/git/catfile/cache.go
@@ -330,7 +330,7 @@ func (c *ProcessCache) getOrCreateProcess(
 		}
 	}
 
-	return process, cancel, nil
+	return process, sync.OnceFunc(cancel), nil
 }
 
 func (c *ProcessCache) reportCacheMembers() {