diff --git a/repochecker/epita/files.go b/repochecker/epita/files.go
index dcf691a1..47bdda79 100644
--- a/repochecker/epita/files.go
+++ b/repochecker/epita/files.go
@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"path"
+	"strings"
 
 	"srs.epita.fr/fic-server/admin/sync"
 	"srs.epita.fr/fic-server/libfic"
@@ -14,5 +15,10 @@ func EPITACheckFile(file *fic.EFile, exceptions *sync.CheckExceptions) (errs []e
 		errs = append(errs, fmt.Errorf("this file use a forbidden archive type."))
 	}
 
+	// Check .gz files have a dedicated hash
+	if path.Ext(file.Name) == ".gz" && !strings.HasSuffix(file.Name, ".tar.gz") && len(file.ChecksumShown) == 0 {
+		errs = append(errs, fmt.Errorf("digest of original, uncompressed, file missing in DIGESTS.txt"))
+	}
+
 	return
 }