diff --git a/DiscImageChef.DiscImages/CDRDAO.cs b/DiscImageChef.DiscImages/CDRDAO.cs
index 7501f8cd8..597340d72 100644
--- a/DiscImageChef.DiscImages/CDRDAO.cs
+++ b/DiscImageChef.DiscImages/CDRDAO.cs
@@ -76,7 +76,7 @@ namespace DiscImageChef.DiscImages
             @"^\s*DATAFILE\s*""(?<filename>.+)""\s*(#(?<base_offset>\d+))?\s*(?<length>[\d]+:[\d]+:[\d]+)?";
         const string REGEX_INDEX  = @"^\s*INDEX\s*(?<address>\d+:\d+:\d+)";
         const string REGEX_ISRC   = @"^\s*ISRC\s*""(?<isrc>[A-Z0-9]{5,5}[0-9]{7,7})""";
-        const string REGEX_MCN    = @"^\s*CATALOG\s*""(?<catalog>[\d]{13,13})""";
+        const string REGEX_MCN    = @"^\s*CATALOG\s*""(?<catalog>[\x21-\x7F]{13,13})""";
         const string REGEX_PREGAP = @"^\s*START\s*(?<address>\d+:\d+:\d+)?";
         const string REGEX_STEREO = @"^\s*(?<num>(TWO|FOUR))_CHANNEL_AUDIO";
         const string REGEX_TRACK =
diff --git a/DiscImageChef.DiscImages/CDRWin.cs b/DiscImageChef.DiscImages/CDRWin.cs
index 7d2d0ea20..bb32c7862 100644
--- a/DiscImageChef.DiscImages/CDRWin.cs
+++ b/DiscImageChef.DiscImages/CDRWin.cs
@@ -156,7 +156,7 @@ namespace DiscImageChef.DiscImages
         const string REGEX_BARCODE    = @"\bUPC_EAN\s+(?<barcode>[\d]{12,13})$";
         const string REGEX_COMMENT    = @"\bREM\s+(?<comment>.+)$";
         const string REGEX_CDTEXT     = @"\bCDTEXTFILE\s+(?<filename>.+)$";
-        const string REGEX_MCN        = @"\bCATALOG\s+(?<catalog>\d{13})$";
+        const string REGEX_MCN        = @"^\s*CATALOG\s*(?<catalog>[\x21-\x7F]{13})$";
         const string REGEX_TITLE      = @"\bTITLE\s+(?<title>.+)$";
         const string REGEX_GENRE      = @"\bGENRE\s+(?<genre>.+)$";
         const string REGEX_ARRANGER   = @"\bARRANGER\s+(?<arranger>.+)$";
diff --git a/DiscImageChef.DiscImages/CloneCD.cs b/DiscImageChef.DiscImages/CloneCD.cs
index 4c186c83e..eb15012bb 100644
--- a/DiscImageChef.DiscImages/CloneCD.cs
+++ b/DiscImageChef.DiscImages/CloneCD.cs
@@ -59,7 +59,7 @@ namespace DiscImageChef.DiscImages
         const string DISC_SESSIONS      = @"^\s*Sessions\s*=\s*(?<value>\d+)";
         const string DISC_SCRAMBLED     = @"^\s*DataTracksScrambled\s*=\s*(?<value>\d+)";
         const string CDTEXT_LENGTH      = @"^\s*CDTextLength\s*=\s*(?<value>\d+)";
-        const string DISC_CATALOG       = @"^\s*CATALOG\s*=\s*(?<value>\w+)";
+        const string DISC_CATALOG       = @"^\s*CATALOG\s*=\s*(?<value>[\x21-\x7F]{13})";
         const string SESSION_PREGAP     = @"^\s*PreGapMode\s*=\s*(?<value>\d+)";
         const string SESSION_SUBCHANNEL = @"^\s*PreGapSubC\s*=\s*(?<value>\d+)";
         const string ENTRY_SESSION      = @"^\s*Session\s*=\s*(?<value>\d+)";