diff --git a/ui-win32/dlgBootstrap.cs b/ui-win32/dlgBootstrap.cs
index e7c693986..51c9196ef 100644
--- a/ui-win32/dlgBootstrap.cs
+++ b/ui-win32/dlgBootstrap.cs
@@ -49,7 +49,7 @@ namespace network.loki.lokinet.win32.ui
                 lokinet_bootstrap.StartInfo.CreateNoWindow = true;
                 lokinet_bootstrap.StartInfo.WorkingDirectory = Directory.GetCurrentDirectory();
                 lokinet_bootstrap.StartInfo.FileName = lokinetExeString;
-                lokinet_bootstrap.StartInfo.Arguments = string.Format("--cacert rootcerts.pem -L {0} -o {1}", uriBox.Text, default_path);
+                lokinet_bootstrap.StartInfo.Arguments = string.Format("--cacert rootcerts.pem -L {0} --output {1}", uriBox.Text, default_path);
                 lokinet_bootstrap.Start();
                 lokinet_bootstrap.WaitForExit();
                 if (lokinet_bootstrap.ExitCode == 0)
diff --git a/win32-setup/lokinet-win32.iss b/win32-setup/lokinet-win32.iss
index 8f9eb9664..e5e0e9149 100644
--- a/win32-setup/lokinet-win32.iss
+++ b/win32-setup/lokinet-win32.iss
@@ -226,7 +226,7 @@ Filename: "{app}\{#MyAppExeName}"; Flags: nowait postinstall skipifsilent; Descr
 Filename: "{tmp}\7z.exe"; Parameters: "x tuntapv9.7z"; WorkingDir: "{app}"; Flags: runascurrentuser waituntilterminated skipifdoesntexist; Description: "extract TUN/TAP-v9 driver"; StatusMsg: "Extracting driver..."; OnlyBelowVersion: 0, 6.0
 Filename: "{tmp}\7z.exe"; Parameters: "x tuntapv9_n6.7z"; WorkingDir: "{app}"; Flags: runascurrentuser waituntilterminated skipifdoesntexist; Description: "extract TUN/TAP-v9 driver"; StatusMsg: "Extracting driver..."; MinVersion: 0, 6.0
 Filename: "{tmp}\7z.exe"; Parameters: "x inet6.7z"; WorkingDir: "{app}"; Flags: skipifdoesntexist runascurrentuser waituntilterminated skipifdoesntexist; Description: "extract inet6 driver"; StatusMsg: "Extracting IPv6 driver..."; MinVersion: 0, 5.0; OnlyBelowVersion: 0, 5.1
-Filename: "{app}\lokinet-bootstrap.exe"; Parameters:"-L https://seed.lokinet.org/bootstrap.signed --cacert rootcerts.pem -o {userappdata}\.lokinet\bootstrap.signed"; WorkingDir: "{app}"; Flags: runascurrentuser waituntilterminated; Description: "bootstrap dht"; StatusMsg: "Downloading initial RC..."
+Filename: "{app}\lokinet-bootstrap.exe"; Parameters:"-L https://seed.lokinet.org/bootstrap.signed --cacert rootcerts.pem --output {userappdata}\.lokinet\bootstrap.signed"; WorkingDir: "{app}"; Flags: runascurrentuser waituntilterminated; Description: "bootstrap dht"; StatusMsg: "Downloading initial RC..."
 ; then ask to install drivers
 Filename: "{app}\tap-windows-9.9.2\install.bat"; WorkingDir: "{app}\tap-windows-9.9.2\"; Flags: runascurrentuser waituntilterminated skipifdoesntexist; Description: "Install TUN/TAP-v9 driver"; StatusMsg: "Installing driver..."; OnlyBelowVersion: 0, 6.0; Check: not IsTapInstalled
 Filename: "{app}\tap-windows-9.21.2\install.bat"; WorkingDir: "{app}\tap-windows-9.21.2\"; Flags: runascurrentuser waituntilterminated skipifdoesntexist; Description: "Install TUN/TAP-v9 driver"; StatusMsg: "Installing driver..."; MinVersion: 0, 6.0; Check: not IsTapInstalled