diff --git a/gaseous-identifier/Classes/TosecParser.cs b/gaseous-identifier/Classes/TosecParser.cs
index 7c54aaa..3baec42 100644
--- a/gaseous-identifier/Classes/TosecParser.cs
+++ b/gaseous-identifier/Classes/TosecParser.cs
@@ -86,7 +86,7 @@ namespace gaseous_identifier.classes
 
             var sha1 = SHA1.Create();
             byte[] sha1HashByte = sha1.ComputeHash(xmlStream);
-            string sha1Hash = BitConverter.ToString(md5HashByte).Replace("-", "").ToLowerInvariant();
+            string sha1Hash = BitConverter.ToString(sha1HashByte).Replace("-", "").ToLowerInvariant();
 
             // load TOSEC file
             XmlDocument tosecXmlDoc = new XmlDocument();
diff --git a/gaseous-identifier/Program.cs b/gaseous-identifier/Program.cs
index 48ad5ac..24e5a39 100644
--- a/gaseous-identifier/Program.cs
+++ b/gaseous-identifier/Program.cs
@@ -115,7 +115,7 @@ foreach (string romFile in romPathContents)
 
     var sha1 = SHA1.Create();
     byte[] sha1HashByte = sha1.ComputeHash(stream);
-    string sha1Hash = BitConverter.ToString(md5HashByte).Replace("-", "").ToLowerInvariant();
+    string sha1Hash = BitConverter.ToString(sha1HashByte).Replace("-", "").ToLowerInvariant();
 
     bool gameFound = false;
     foreach (gaseous_identifier.objects.RomSignatureObject tosecList in romSignatures)