diff --git a/glances/plugins/glances_fs.py b/glances/plugins/glances_fs.py
index c3d20321..038951ed 100644
--- a/glances/plugins/glances_fs.py
+++ b/glances/plugins/glances_fs.py
@@ -49,7 +49,8 @@ class glancesGrabFs:
         try:
             fs_stat = psutil.disk_partitions(all=False)
         except UnicodeDecodeError:
-            return []
+            self.stats = []
+            return self.stats
 
         # Loop over fs
         for fs in range(len(fs_stat)):
diff --git a/glances/plugins/glances_network.py b/glances/plugins/glances_network.py
index 1c9e4ca3..51d1376e 100644
--- a/glances/plugins/glances_network.py
+++ b/glances/plugins/glances_network.py
@@ -60,7 +60,8 @@ class Plugin(GlancesPlugin):
         try:
             netiocounters = psutil.net_io_counters(pernic=True)
         except UnicodeDecodeError:
-            return []
+            self.stats = []
+            return self.stats
 
         # Previous network interface stats are stored in the network_old variable
         network = []