diff --git a/configs/stm3210e-eval/include/board.h b/configs/stm3210e-eval/include/board.h
index 7a747cf9d48..43bf0cf0dff 100755
--- a/configs/stm3210e-eval/include/board.h
+++ b/configs/stm3210e-eval/include/board.h
@@ -52,7 +52,8 @@
 
 /* Clocking *************************************************************************/
 
-# warning "This frequencies are still needed"
+# warning "These frequencies are still needed"
+#define SYSCLK_FREQUENCY 1
 #define STM32_PCLK1_FREQUENCY 1
 #define STM32_PCLK2_FREQUENCY 1