diff --git a/build/win32/code.iss b/build/win32/code.iss
index 1f73d78a4805e38b73e13d3866f9beeabe46e21e..8d409ef0fe753e48aca40547cc1ed26eed76f1da 100644
--- a/build/win32/code.iss
+++ b/build/win32/code.iss
@@ -687,6 +687,12 @@ Root: HKCR; Subkey: "{#RegValueName}.t"; ValueType: string; ValueName: ""; Value
 Root: HKCR; Subkey: "{#RegValueName}.t\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\resources\app\resources\win32\code_file.ico"; Tasks: associatewithfiles
 Root: HKCR; Subkey: "{#RegValueName}.t\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles
 
+Root: HKCR; Subkey: ".tex\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
+Root: HKCR; Subkey: ".tex\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.tex"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
+Root: HKCR; Subkey: "{#RegValueName}.tex"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,LaTeX}"; Flags: uninsdeletekey; Tasks: associatewithfiles
+Root: HKCR; Subkey: "{#RegValueName}.tex\DefaultIcon"; ValueType: string; ValueName: ""; ValueData: "{app}\resources\app\resources\win32\code_file.ico"; Tasks: associatewithfiles
+Root: HKCR; Subkey: "{#RegValueName}.tex\shell\open\command"; ValueType: string; ValueName: ""; ValueData: """{app}\{#ExeBasename}.exe"" ""%1"""; Tasks: associatewithfiles
+
 Root: HKCR; Subkey: ".ts\OpenWithProgids"; ValueType: none; ValueName: "{#RegValueName}"; Flags: deletevalue uninsdeletevalue; Tasks: associatewithfiles
 Root: HKCR; Subkey: ".ts\OpenWithProgids"; ValueType: string; ValueName: "{#RegValueName}.ts"; ValueData: ""; Flags: uninsdeletevalue; Tasks: associatewithfiles
 Root: HKCR; Subkey: "{#RegValueName}.ts"; ValueType: string; ValueName: ""; ValueData: "{cm:SourceFile,TypeScript}"; Flags: uninsdeletekey; Tasks: associatewithfiles