diff --git a/git_vuln_finder/vulnerability.py b/git_vuln_finder/vulnerability.py
index 606ad16..bf22dda 100644
--- a/git_vuln_finder/vulnerability.py
+++ b/git_vuln_finder/vulnerability.py
@@ -82,9 +82,11 @@ def summary(
     else:
         potential_vulnerabilities[rcommit.hexsha] = {}
         potential_vulnerabilities[rcommit.hexsha]["message"] = rcommit.message
-        potential_vulnerabilities[rcommit.hexsha]["language"] = langdetect(
-            rcommit.message
-        )
+        try:
+            lang = langdetect(rcommit.message)
+        except:
+            lang = "unknown"
+        potential_vulnerabilities[rcommit.hexsha]["language"] = lang
         potential_vulnerabilities[rcommit.hexsha]["commit-id"] = rcommit.hexsha
         potential_vulnerabilities[rcommit.hexsha]["summary"] = rcommit.summary
         potential_vulnerabilities[rcommit.hexsha]["stats"] = rcommit.stats.total
@@ -128,7 +130,7 @@ def summary_event(
     commit_state="under-review"
 ):
     potential_vulnerabilities = {}
-    
+
     cve, cve_found = extract_cve(commit["message"])
 
     potential_vulnerabilities[commit["sha"]] = {}