diff --git a/tools/install/win32/lazarus.iss b/tools/install/win32/lazarus.iss
index a13704de87..3081593420 100644
--- a/tools/install/win32/lazarus.iss
+++ b/tools/install/win32/lazarus.iss
@@ -81,11 +81,11 @@ Root: HKCU; SubKey: SOFTWARE\Classes\LazarusProject; ValueType: string; ValueNam
 Root: HKCU; SubKey: SOFTWARE\Classes\LazarusProject\DefaultIcon; ValueType: string; ValueData: {app}\images\LazarusProject.ico; Flags: uninsdeletevalue; Check: IsHKLMNotWriteable
 Root: HKCU; SubKey: SOFTWARE\Classes\LazarusProject\shell\open; ValueType: string; ValueName: ; ValueData: &Open Project; Flags: uninsdeletekey; Check: IsHKLMNotWriteable
 Root: HKCU; SubKey: SOFTWARE\Classes\LazarusProject\shell\open\command; ValueType: string; ValueData: "{app}\lazarus.exe  ""%1"""; Flags: uninsdeletevalue; Check: IsHKLMNotWriteable
-Root: HKLM; SubKey: SOFTWARE\Classes\.lpk; ValueType: string; ValueData: LazarusPackage; Flags: uninsdeletekeyifempty uninsdeletevalue; Check: IsHKLMNotWriteable
-Root: HKLM; SubKey: SOFTWARE\Classes\LazarusPackage; ValueType: string; ValueName: ; ValueData: Lazarus Package; Flags: uninsdeletekey; Check: IsHKLMNotWriteable
-Root: HKLM; SubKey: SOFTWARE\Classes\LazarusPackage\DefaultIcon; ValueType: string; ValueData: {app}\images\lazaruspackage.ico; Flags: uninsdeletevalue; Check: IsHKLMNotWriteable
-Root: HKLM; SubKey: SOFTWARE\Classes\LazarusPackage\shell\open; ValueType: string; ValueName: ; ValueData: &Open Pacakge; Flags: uninsdeletekey; Check: IsHKLMNotWriteable
-Root: HKLM; SubKey: SOFTWARE\Classes\LazarusPackage\shell\open\command; ValueType: string; ValueData: "{app}\lazarus.exe  ""%1"""; Flags: uninsdeletevalue; Check: IsHKLMNotWriteable
+Root: HKCU; SubKey: SOFTWARE\Classes\.lpk; ValueType: string; ValueData: LazarusPackage; Flags: uninsdeletekeyifempty uninsdeletevalue; Check: IsHKLMNotWriteable
+Root: HKCU; SubKey: SOFTWARE\Classes\LazarusPackage; ValueType: string; ValueName: ; ValueData: Lazarus Package; Flags: uninsdeletekey; Check: IsHKLMNotWriteable
+Root: HKCU; SubKey: SOFTWARE\Classes\LazarusPackage\DefaultIcon; ValueType: string; ValueData: {app}\images\lazaruspackage.ico; Flags: uninsdeletevalue; Check: IsHKLMNotWriteable
+Root: HKCU; SubKey: SOFTWARE\Classes\LazarusPackage\shell\open; ValueType: string; ValueName: ; ValueData: &Open Pacakge; Flags: uninsdeletekey; Check: IsHKLMNotWriteable
+Root: HKCU; SubKey: SOFTWARE\Classes\LazarusPackage\shell\open\command; ValueType: string; ValueData: "{app}\lazarus.exe  ""%1"""; Flags: uninsdeletevalue; Check: IsHKLMNotWriteable
 Root: HKCU; SubKey: SOFTWARE\Classes\.lpr; ValueType: string; ValueData: LazarusProject; Flags: uninsdeletekeyifempty uninsdeletevalue; Check: IsHKLMNotWriteable
 Root: HKCU; SubKey: SOFTWARE\Classes\LazarusProjectSource; ValueType: string; ValueName: ; ValueData: Lazarus Project; Flags: uninsdeletekey; Check: IsHKLMNotWriteable
 Root: HKCU; SubKey: SOFTWARE\Classes\LazarusProjectSource\DefaultIcon; ValueType: string; ValueData: {app}\images\LazarusProject.ico; Flags: uninsdeletevalue; Check: IsHKLMNotWriteable