diff --git a/pungi/phases/gather/methods/method_hybrid.py b/pungi/phases/gather/methods/method_hybrid.py
index e3f836c6..4e469df4 100644
--- a/pungi/phases/gather/methods/method_hybrid.py
+++ b/pungi/phases/gather/methods/method_hybrid.py
@@ -208,7 +208,12 @@ class GatherMethodHybrid(pungi.phases.gather.method.GatherMethodBase):
             logfile = self.compose.paths.log.log_file(
                 arch, "hybrid-depsolver-%s-iter-%d" % (variant, step)
             )
-            run(cmd, logfile=logfile, show_cmd=True)
+            # Adding this environement variable will tell GLib not to prefix
+            # any log messages with the PID of the fus process (which is quite
+            # useless for us anyway).
+            env = os.environ.copy()
+            env["G_MESSAGES_PREFIXED"] = ""
+            run(cmd, logfile=logfile, show_cmd=True, env=env)
             output = fus.parse_output(logfile)
             new_multilib = self.add_multilib(variant, arch, output)
             if new_multilib:
diff --git a/tests/test_gather_method_hybrid.py b/tests/test_gather_method_hybrid.py
index c6d7d0da..551a4451 100644
--- a/tests/test_gather_method_hybrid.py
+++ b/tests/test_gather_method_hybrid.py
@@ -331,7 +331,11 @@ class TestRunSolver(HelperMixin, helpers.PungiTestCase):
         self.assertEqual(po.call_args_list, [mock.call(self.logfile1)])
         self.assertEqual(
             run.call_args_list,
-            [mock.call(gc.return_value, logfile=self.logfile1, show_cmd=True)],
+            [
+                mock.call(
+                    gc.return_value, logfile=self.logfile1, show_cmd=True, env=mock.ANY
+                )
+            ],
         )
         self.assertEqual(
             gc.call_args_list,
@@ -360,7 +364,11 @@ class TestRunSolver(HelperMixin, helpers.PungiTestCase):
         self.assertEqual(po.call_args_list, [mock.call(self.logfile1)])
         self.assertEqual(
             run.call_args_list,
-            [mock.call(gc.return_value, logfile=self.logfile1, show_cmd=True)],
+            [
+                mock.call(
+                    gc.return_value, logfile=self.logfile1, show_cmd=True, env=mock.ANY
+                )
+            ],
         )
         self.assertEqual(
             gc.call_args_list,
@@ -386,8 +394,12 @@ class TestRunSolver(HelperMixin, helpers.PungiTestCase):
         self.assertEqual(
             run.call_args_list,
             [
-                mock.call(gc.return_value, logfile=self.logfile1, show_cmd=True),
-                mock.call(gc.return_value, logfile=self.logfile2, show_cmd=True),
+                mock.call(
+                    gc.return_value, logfile=self.logfile1, show_cmd=True, env=mock.ANY
+                ),
+                mock.call(
+                    gc.return_value, logfile=self.logfile2, show_cmd=True, env=mock.ANY
+                ),
             ],
         )
         self.assertEqual(
@@ -448,8 +460,12 @@ class TestRunSolver(HelperMixin, helpers.PungiTestCase):
         self.assertEqual(
             run.call_args_list,
             [
-                mock.call(gc.return_value, logfile=self.logfile1, show_cmd=True),
-                mock.call(gc.return_value, logfile=self.logfile2, show_cmd=True),
+                mock.call(
+                    gc.return_value, logfile=self.logfile1, show_cmd=True, env=mock.ANY
+                ),
+                mock.call(
+                    gc.return_value, logfile=self.logfile2, show_cmd=True, env=mock.ANY
+                ),
             ],
         )
         self.assertEqual(
@@ -541,8 +557,12 @@ class TestRunSolver(HelperMixin, helpers.PungiTestCase):
         self.assertEqual(
             run.call_args_list,
             [
-                mock.call(gc.return_value, logfile=self.logfile1, show_cmd=True),
-                mock.call(gc.return_value, logfile=self.logfile2, show_cmd=True),
+                mock.call(
+                    gc.return_value, logfile=self.logfile1, show_cmd=True, env=mock.ANY
+                ),
+                mock.call(
+                    gc.return_value, logfile=self.logfile2, show_cmd=True, env=mock.ANY
+                ),
             ],
         )
         self.assertEqual(