diff --git a/src/lxc/lxc.py b/src/lxc/lxc.py
index 3b32720..142959b 100644
--- a/src/lxc/lxc.py
+++ b/src/lxc/lxc.py
@@ -176,18 +176,16 @@ class LXC(LinuxMachine):
         Get IPv4
         :return: ipv4
         """
+        if self.is_running():
+            if netmask:
+                return self.get_in_cache('network', 'ipv4_netmask',
+                                         default_value=self.retrieve_ipv4(netmask=netmask, use_ssh=use_ssh))
 
-        if netmask:
-            ipv4 = self.get_in_cache('network', 'ipv4_netmask')
-            if ipv4 is None:
-                self.set_in_cache('network', 'ipv4_netmask', self.retrieve_ipv4(netmask=netmask, use_ssh=use_ssh))
-            return self.get_in_cache('network', 'ipv4_netmask')
+            else:
+                return self.get_in_cache('network', 'ipv4',
+                                         default_value=self.retrieve_ipv4(netmask=netmask, use_ssh=use_ssh))
 
-        else:
-            ipv4 = self.get_in_cache('network', 'ipv4')
-            if ipv4 is None:
-                self.set_in_cache('network', 'ipv4', self.retrieve_ipv4(netmask=netmask, use_ssh=use_ssh))
-            return self.get_in_cache('network', 'ipv4')
+        return self.ipv4
 
     def retrieve_ipv4(self, netmask: bool = False, use_ssh: bool = False):
         if self.ipv4 == "dhcp":
diff --git a/src/utils/machine.py b/src/utils/machine.py
index f2bab45..4ed646c 100644
--- a/src/utils/machine.py
+++ b/src/utils/machine.py
@@ -327,7 +327,10 @@ class LinuxMachine():
             self.run_command(f"sed {'-i' if case_sensitive else ''} 's/{search}/{replace}/g' {path}",
                              return_status_code=True)
 
-    def get_in_cache(self, category: str, property: str):
+    def get_in_cache(self, category: str, property: str, default_value: any = None):
+        if default_value is not None and property not in self.cache[category]:
+            self.set_in_cache(category, property, default_value)
+
         if category in self.cache:
             if property in self.cache[category]:
                 return self.cache[category][property]