diff --git a/src/nsis/i2pbrowser-installer.nsi b/src/nsis/i2pbrowser-installer.nsi
index 36d706f..7df5293 100644
--- a/src/nsis/i2pbrowser-installer.nsi
+++ b/src/nsis/i2pbrowser-installer.nsi
@@ -147,7 +147,7 @@ Function .onInit
     UserInfo::GetAccountType
     pop $0
     ${If} $0 != "admin"
-        InstallDir "$LOCALAPPDATA\${COMPANYNAME}\${APPNAME}"
+        StrCpy INSTDIR "$LOCALAPPDATA\${COMPANYNAME}\${APPNAME}"
     ${EndIf}
     !insertmacro MUI_LANGDLL_DISPLAY
     Call ShouldInstall64Bit