diff --git a/inno_setup.iss b/inno_setup.iss
index 08ff7c2a..fe89e679 100644
--- a/inno_setup.iss
+++ b/inno_setup.iss
@@ -124,16 +124,21 @@ Type: files; Name: "{app}\ArchipelagoLttPClient.exe"
 
 [Registry]
 
-Root: HKCR; Subkey: ".apbp";                                 ValueData: "{#MyAppName}patch";        Flags: uninsdeletevalue; ValueType: string;  ValueName: ""; Components: client/sni
+Root: HKCR; Subkey: ".aplttp";                                 ValueData: "{#MyAppName}patch";        Flags: uninsdeletevalue; ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}patch";                     ValueData: "Archipelago Binary Patch"; Flags: uninsdeletekey;   ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}patch\DefaultIcon";         ValueData: "{app}\ArchipelagoSNIClient.exe,0";                           ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}patch\shell\open\command";  ValueData: """{app}\ArchipelagoSNIClient.exe"" ""%1""";                  ValueType: string;  ValueName: ""; Components: client/sni
 
-Root: HKCR; Subkey: ".apm3";                                 ValueData: "{#MyAppName}smpatch";        Flags: uninsdeletevalue; ValueType: string;  ValueName: ""; Components: client/sni
+Root: HKCR; Subkey: ".apsm";                                 ValueData: "{#MyAppName}smpatch";        Flags: uninsdeletevalue; ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}smpatch";                     ValueData: "Archipelago Super Metroid Patch"; Flags: uninsdeletekey;   ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}smpatch\DefaultIcon";         ValueData: "{app}\ArchipelagoSNIClient.exe,0";                           ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}smpatch\shell\open\command";  ValueData: """{app}\ArchipelagoSNIClient.exe"" ""%1""";                  ValueType: string;  ValueName: ""; Components: client/sni
 
+Root: HKCR; Subkey: ".smz3";                                 ValueData: "{#MyAppName}smz3patch";        Flags: uninsdeletevalue; ValueType: string;  ValueName: ""; Components: client/sni
+Root: HKCR; Subkey: "{#MyAppName}smz3patch";                     ValueData: "Archipelago SMZ3 Patch"; Flags: uninsdeletekey;   ValueType: string;  ValueName: ""; Components: client/sni
+Root: HKCR; Subkey: "{#MyAppName}smz3patch\DefaultIcon";         ValueData: "{app}\ArchipelagoSNIClient.exe,0";                           ValueType: string;  ValueName: ""; Components: client/sni
+Root: HKCR; Subkey: "{#MyAppName}smz3patch\shell\open\command";  ValueData: """{app}\ArchipelagoSNIClient.exe"" ""%1""";
+
 Root: HKCR; Subkey: ".apsoe";                                 ValueData: "{#MyAppName}soepatch";        Flags: uninsdeletevalue; ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}soepatch";                     ValueData: "Archipelago Secret of Evermore Patch"; Flags: uninsdeletekey;   ValueType: string;  ValueName: ""; Components: client/sni
 Root: HKCR; Subkey: "{#MyAppName}soepatch\DefaultIcon";         ValueData: "{app}\ArchipelagoSNIClient.exe,0";                           ValueType: string;  ValueName: ""; Components: client/sni