diff --git a/python/pyplugin_installer/installer.py b/python/pyplugin_installer/installer.py
index 0e50e976117..a299d134319 100644
--- a/python/pyplugin_installer/installer.py
+++ b/python/pyplugin_installer/installer.py
@@ -119,7 +119,7 @@ class QgsPluginInstaller(QObject):
 
         for key in repositories.allEnabled():
             if reloadMode or repositories.all()[key]["state"] == 3:  # if state = 3 (error or not fetched yet), try to fetch once again
-                repositories.requestFetching(key)
+                repositories.requestFetching(key, force_reload=reloadMode)
 
         if repositories.fetchingInProgress():
             fetchDlg = QgsPluginInstallerFetchingDialog(iface.mainWindow())
diff --git a/python/pyplugin_installer/installer_data.py b/python/pyplugin_installer/installer_data.py
index a6f2df9c12a..ac221869ace 100644
--- a/python/pyplugin_installer/installer_data.py
+++ b/python/pyplugin_installer/installer_data.py
@@ -316,7 +316,7 @@ class Repositories(QObject):
         settings.endGroup()
 
     # ----------------------------------------- #
-    def requestFetching(self, key, url=None, redirectionCounter=0):
+    def requestFetching(self, key, url=None, redirectionCounter=0, force_reload=False):
         """ start fetching the repository given by key """
         self.mRepositories[key]["state"] = 1
         if not url:
@@ -327,6 +327,8 @@ class Repositories(QObject):
         self.mRepositories[key]["QRequest"] = QNetworkRequest(url)
         self.mRepositories[key]["QRequest"].setAttribute(QNetworkRequest.Attribute(QgsNetworkRequestParameters.AttributeInitiatorClass), "Relay")
         self.mRepositories[key]["QRequest"].setAttribute(QNetworkRequest.FollowRedirectsAttribute, True)
+        if force_reload:
+            self.mRepositories[key]["QRequest"].setAttribute(QNetworkRequest.CacheLoadControlAttribute, QNetworkRequest.AlwaysNetwork)
         authcfg = self.mRepositories[key]["authcfg"]
         if authcfg and isinstance(authcfg, str):
             if not QgsApplication.authManager().updateNetworkRequest(