diff --git a/pkg/healthcheck/reposize.go b/pkg/healthcheck/reposize.go
index 58820eb..bb69670 100644
--- a/pkg/healthcheck/reposize.go
+++ b/pkg/healthcheck/reposize.go
@@ -10,7 +10,7 @@ import (
 
 // RepoSize checks the size of the repository to determine if it is oversized.
 // It executes the 'git count-objects -v' command to obtain the size information,
-func RepoSize(conf_size float64) error {
+func RepoSize(confSize float64) error {
 	// TODO: reimplement here when go-git is available
 	// https://github.com/go-git/go-git/blob/master/COMPATIBILITY.md
 	cmd := exec.Command("git", "count-objects", "-v")
@@ -33,8 +33,8 @@ func RepoSize(conf_size float64) error {
 			sum += size
 		}
 	}
-	if sum > int(conf_size*1024) {
-		return fmt.Errorf("Repository larger than %.1f Mib. Please clean up or contact the teaching team.", conf_size)
+	if sum > int(confSize*1024) {
+		return fmt.Errorf("Repository larger than %.1f Mib. Please clean up or contact the teaching team.", confSize)
 	}
 	return nil
 }