diff --git a/LWIP.ioc b/LWIP.ioc
index ad4c08f..f627e5f 100644
--- a/LWIP.ioc
+++ b/LWIP.ioc
@@ -115,7 +115,11 @@ PC4.Mode=RMII
 PC4.Signal=ETH_RXD0
 PC5.Mode=RMII
 PC5.Signal=ETH_RXD1
+PD12.GPIOParameters=GPIO_PuPd
+PD12.GPIO_PuPd=GPIO_PULLUP
 PD12.Signal=S_TIM4_CH1
+PD13.GPIOParameters=GPIO_PuPd
+PD13.GPIO_PuPd=GPIO_PULLUP
 PD13.Signal=S_TIM4_CH2
 PD3.GPIOParameters=GPIO_Label
 PD3.GPIO_Label=ETH_RST
@@ -166,7 +170,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=MDK-ARM V5
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_LWIP_Init-LWIP-false-HAL-false,4-MX_TIM6_Init-TIM6-false-HAL-true,5-MX_USART1_UART_Init-USART1-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_LWIP_Init-LWIP-false-HAL-false,4-MX_TIM6_Init-TIM6-false-HAL-true,5-MX_USART1_UART_Init-USART1-false-HAL-true,6-MX_TIM4_Init-TIM4-false-HAL-true
 RCC.48MHZClocksFreq_Value=84000000
 RCC.AHBFreq_Value=168000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV4
diff --git a/Src/tim.c b/Src/tim.c
index 082f216..8e87730 100644
--- a/Src/tim.c
+++ b/Src/tim.c
@@ -124,7 +124,7 @@ void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef* tim_encoderHandle)
     */
     GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13;
     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
-    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Pull = GPIO_PULLUP;
     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
     GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
     HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);