diff --git a/server/handler.go b/server/handler.go
index ed06659..fb8b419 100644
--- a/server/handler.go
+++ b/server/handler.go
@@ -296,7 +296,7 @@ func Handler(mainDomainSuffix, rawDomain []byte,
 					return
 				}
 
-				log.Info().Msg("tryBranch, now trying upstream 7 %s")
+				log.Info().Msg("tryBranch, now trying upstream 7")
 				tryUpstream(ctx, giteaClient, mainDomainSuffix, trimmedHost,
 					targetOptions, targetOwner, targetRepo, targetBranch, targetPath,
 					canonicalDomainCache, branchTimestampCache, fileResponseCache)
diff --git a/server/upstream/helper.go b/server/upstream/helper.go
index 0714dcd..28f4474 100644
--- a/server/upstream/helper.go
+++ b/server/upstream/helper.go
@@ -9,6 +9,7 @@ import (
 
 	"codeberg.org/codeberg/pages/server/cache"
 	"codeberg.org/codeberg/pages/server/gitea"
+	"github.com/rs/zerolog/log"
 )
 
 type branchTimestamp struct {
@@ -19,10 +20,13 @@ type branchTimestamp struct {
 // GetBranchTimestamp finds the default branch (if branch is "") and returns the last modification time of the branch
 // (or nil if the branch doesn't exist)
 func GetBranchTimestamp(giteaClient *gitea.Client, owner, repo, branch string, branchTimestampCache cache.SetGetKey) *branchTimestamp {
+	log := log.With().Strs("BranchInfo", []string{owner, repo, branch}).Logger()
 	if result, ok := branchTimestampCache.Get(owner + "/" + repo + "/" + branch); ok {
 		if result == nil {
+			log.Debug().Msg("branchTimestampCache found item, but result is empty")
 			return nil
 		}
+		log.Debug().Msg("branchTimestampCache found item, returning result")
 		return result.(*branchTimestamp)
 	}
 	result := &branchTimestamp{
@@ -32,16 +36,20 @@ func GetBranchTimestamp(giteaClient *gitea.Client, owner, repo, branch string, b
 		// Get default branch
 		defaultBranch, err := giteaClient.GiteaGetRepoDefaultBranch(owner, repo)
 		if err != nil {
+			log.Err(err).Msg("Could't fetch default branch from repository")
 			_ = branchTimestampCache.Set(owner+"/"+repo+"/", nil, defaultBranchCacheTimeout)
 			return nil
 		}
+		log.Debug().Msg("Succesfully fetched default branch from Gitea")
 		result.Branch = defaultBranch
 	}
 
 	timestamp, err := giteaClient.GiteaGetRepoBranchTimestamp(owner, repo, result.Branch)
 	if err != nil {
+		log.Err(err).Msg("Could not get latest commit's timestamp from branch")
 		return nil
 	}
+	log.Debug().Msg("Succesfully fetched latest commit's timestamp from branch, adding to cache")
 	result.Timestamp = timestamp
 	_ = branchTimestampCache.Set(owner+"/"+repo+"/"+branch, result, branchExistenceCacheTimeout)
 	return result