diff --git a/firmware/config/boards/proteus/compile_proteus_f4.sh b/firmware/config/boards/proteus/compile_proteus_f4.sh
index 7c28b33cd0..8e98f3b53b 100755
--- a/firmware/config/boards/proteus/compile_proteus_f4.sh
+++ b/firmware/config/boards/proteus/compile_proteus_f4.sh
@@ -4,6 +4,6 @@ export PROJECT_BOARD=proteus
 export PROJECT_CPU=ARCH_STM32F4
 export EXTRA_PARAMS=-DSHORT_BOARD_NAME=proteus_f4
 
-# export USE_OPENBLT=yes
+export USE_OPENBLT=yes
 
 bash ../common_make.sh
diff --git a/firmware/config/boards/proteus/compile_proteus_f7.sh b/firmware/config/boards/proteus/compile_proteus_f7.sh
index cc0eb7527c..58f182d7bb 100755
--- a/firmware/config/boards/proteus/compile_proteus_f7.sh
+++ b/firmware/config/boards/proteus/compile_proteus_f7.sh
@@ -4,6 +4,6 @@ export PROJECT_BOARD=proteus
 export PROJECT_CPU=ARCH_STM32F7
 export EXTRA_PARAMS=-DSHORT_BOARD_NAME=proteus_f7
 
-# export USE_OPENBLT=yes
+#export USE_OPENBLT=yes
 
 bash ../common_make.sh
diff --git a/firmware/config/boards/proteus/openblt/main.c b/firmware/config/boards/proteus/openblt/main.c
index e34588129f..71f118fc24 100644
--- a/firmware/config/boards/proteus/openblt/main.c
+++ b/firmware/config/boards/proteus/openblt/main.c
@@ -121,11 +121,11 @@ static void SystemClock_Config(void)
   /* Initializes the RCC Oscillators according to the specified parameters
    * in the RCC_OscInitTypeDef structure.
    */
-  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
-  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
-  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
-  RCC_OscInitStruct.PLL.PLLM = 8;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+  RCC_OscInitStruct.PLL.PLLM = 16;
   RCC_OscInitStruct.PLL.PLLN = 336;
   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
   RCC_OscInitStruct.PLL.PLLQ = 7;