diff --git a/pkgs/applications/networking/protonvpn-cli/default.nix b/pkgs/applications/networking/protonvpn-cli/default.nix
index a13f84096863..e46909d2a7c3 100644
--- a/pkgs/applications/networking/protonvpn-cli/default.nix
+++ b/pkgs/applications/networking/protonvpn-cli/default.nix
@@ -30,7 +30,8 @@ python3Packages.buildPythonApplication rec {
     description = "Linux command-line client for ProtonVPN";
     homepage = "https://github.com/protonvpn/linux-cli";
     maintainers = with maintainers; [ jtcoolen jefflabonte shamilton ];
-    license = licenses.gpl3;
+    license = licenses.gpl3Plus;
     platforms = platforms.linux;
+    mainProgram = "protonvpn";
   };
 }
diff --git a/pkgs/applications/networking/protonvpn-gui/default.nix b/pkgs/applications/networking/protonvpn-gui/default.nix
index 8029264fdaa7..ee92f4727c70 100644
--- a/pkgs/applications/networking/protonvpn-gui/default.nix
+++ b/pkgs/applications/networking/protonvpn-gui/default.nix
@@ -83,7 +83,8 @@ in python3Packages.buildPythonApplication rec {
     description = "Linux GUI for ProtonVPN, written in Python";
     homepage = "https://github.com/ProtonVPN/linux-gui";
     maintainers = with maintainers; [ offline ];
-    license = licenses.gpl3;
+    license = licenses.gpl3Plus;
     platforms = platforms.linux;
+    mainProgram = "protonvpn-gui";
   };
 }