diff --git a/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Boot/Libraries/uip/netdev.c b/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Boot/Libraries/uip/netdev.c
index 2383861a..a34fef21 100644
--- a/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Boot/Libraries/uip/netdev.c
+++ b/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Boot/Libraries/uip/netdev.c
@@ -131,7 +131,7 @@ XMC_ETH_MAC_t eth_mac =
 /*---------------------------------------------------------------------------*/
 void netdev_init(void)
 {
-  XMC_ETH_MAC_PORT_CTRL_t port_control = { 0 };
+  XMC_ETH_MAC_PORT_CTRL_t port_control;
   XMC_GPIO_CONFIG_t gpio_config;
   gpio_config.output_level = XMC_GPIO_OUTPUT_LEVEL_LOW;
   gpio_config.mode = XMC_GPIO_MODE_INPUT_TRISTATE;
diff --git a/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Prog/Libraries/uip/netdev.c b/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Prog/Libraries/uip/netdev.c
index 78ad4eed..d11cde76 100644
--- a/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Prog/Libraries/uip/netdev.c
+++ b/Target/Demo/ARMCM4_XMC4_XMC4700_Relax_Kit_GCC/Prog/Libraries/uip/netdev.c
@@ -131,8 +131,8 @@ XMC_ETH_MAC_t eth_mac =
 /*---------------------------------------------------------------------------*/
 void netdev_init(void)
 {
-  XMC_ETH_MAC_PORT_CTRL_t port_control = { 0 };
-  XMC_GPIO_CONFIG_t gpio_confi;
+  XMC_ETH_MAC_PORT_CTRL_t port_control;
+  XMC_GPIO_CONFIG_t gpio_config;
   gpio_config.output_level = XMC_GPIO_OUTPUT_LEVEL_LOW;
   gpio_config.mode = XMC_GPIO_MODE_INPUT_TRISTATE;