diff --git a/cura/CuraPackageManager.py b/cura/CuraPackageManager.py
index aaa9260605..6f8020a2bb 100644
--- a/cura/CuraPackageManager.py
+++ b/cura/CuraPackageManager.py
@@ -105,7 +105,6 @@ class CuraPackageManager(QObject):
         while self._to_install_package_dict:
             package_id, package_info = list(self._to_install_package_dict.items())[0]
             self._installPackage(package_info)
-            self._installed_package_dict[package_id] = self._to_install_package_dict[package_id]
             del self._to_install_package_dict[package_id]
             self._saveManagementData()
 
@@ -307,9 +306,8 @@ class CuraPackageManager(QObject):
 
         Logger.log("i", "Installing package [%s] from file [%s]", package_id, filename)
 
-        # If it's installed, remove it first and then install
-        if package_id in self._installed_package_dict:
-            self._purgePackage(package_id)
+        # remove it first and then install
+        self._purgePackage(package_id)
 
         # Install the package
         with zipfile.ZipFile(filename, "r") as archive:
@@ -334,6 +332,8 @@ class CuraPackageManager(QObject):
 
         # Remove the file
         os.remove(filename)
+        # Move the info to the installed list of packages only when it succeeds
+        self._installed_package_dict[package_id] = self._to_install_package_dict[package_id]
 
     def __installPackageFiles(self, package_id: str, src_dir: str, dst_dir: str) -> None:
         Logger.log("i", "Moving package {package_id} from {src_dir} to {dst_dir}".format(package_id=package_id, src_dir=src_dir, dst_dir=dst_dir))