diff --git a/ipconfig.go b/ipconfig.go
index 6459faf..6e77195 100644
--- a/ipconfig.go
+++ b/ipconfig.go
@@ -24,9 +24,9 @@ func (c *IPConfigs) Set(index int, ipc *IPConfig) {
 	(*c)[index] = ipc
 }
 
-func (c IPConfigs) Get(index int) *IPConfig {
-	if len(c)-1 >= index {
-		return c[index]
+func (c *IPConfigs) Get(index int) *IPConfig {
+	if len(*c)-1 >= index {
+		return (*c)[index]
 	}
 	return nil
 }
diff --git a/network.go b/network.go
index 1ec084c..0828578 100644
--- a/network.go
+++ b/network.go
@@ -25,9 +25,9 @@ func (c *NetworkDevices) Set(index int, d *NetworkDevice) {
 	(*c)[index] = d
 }
 
-func (c NetworkDevices) Get(index int) *NetworkDevice {
-	if len(c)-1 >= index {
-		return c[index]
+func (c *NetworkDevices) Get(index int) *NetworkDevice {
+	if len(*c)-1 >= index {
+		return (*c)[index]
 	}
 	return nil
 }