diff --git a/ADIS_tinyK22_SplitFlap/McuLib/config/McuULN2003config.h b/ADIS_tinyK22_SplitFlap/McuLib/config/McuULN2003config.h
index 3434931..f464bba 100644
--- a/ADIS_tinyK22_SplitFlap/McuLib/config/McuULN2003config.h
+++ b/ADIS_tinyK22_SplitFlap/McuLib/config/McuULN2003config.h
@@ -21,7 +21,7 @@ extern "C" {
 #endif
 
 #ifndef McuULN2003_CONFIG_USE_ACCELERATION
-  #define McuULN2003_CONFIG_USE_ACCELERATION            (1)
+  #define McuULN2003_CONFIG_USE_ACCELERATION            (0)
     /*!< 1: stepper motor uses acceleration table; 0: no acceleration table used */
 #endif
 
diff --git a/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h b/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h
index 941e648..d890057 100644
--- a/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h
+++ b/ADIS_tinyK22_SplitFlap/source/IncludeMcuLibConfig.h
@@ -94,6 +94,7 @@ add_compile_options(-include "../config/IncludeMcuLibConfig.h")
   #define configHEAP_SCHEME_IDENTIFICATION    (0)  /* ESP-IDF RTOS used */
   #define McuCriticalSection_CONFIG_USE_RTOS_CRITICAL_SECTION  (1) /* no native Extensa implementation yet */
 #endif
+#define McuULN2003_CONFIG_USE_ACCELERATION            (1)
 /* ------------------- RTOS ---------------------------*/
 #define McuLib_CONFIG_SDK_USE_FREERTOS       (0)
 /* #define configUSE_SEGGER_SYSTEM_VIEWER_HOOKS (1) */