diff --git a/include/drivers/clock_control/stm32_clock_control.h b/include/drivers/clock_control/stm32_clock_control.h
index 4c8fe24fb29..f5ba72c56ad 100644
--- a/include/drivers/clock_control/stm32_clock_control.h
+++ b/include/drivers/clock_control/stm32_clock_control.h
@@ -105,6 +105,7 @@
 #define STM32_SYSCLK_SRC_HSE	DT_SAME_NODE(DT_RCC_CLOCKS_CTRL, DT_NODELABEL(clk_hse))
 #define STM32_SYSCLK_SRC_MSI	DT_SAME_NODE(DT_RCC_CLOCKS_CTRL, DT_NODELABEL(clk_msi))
 #define STM32_SYSCLK_SRC_CSI	DT_SAME_NODE(DT_RCC_CLOCKS_CTRL, DT_NODELABEL(clk_csi))
+#define STM32_SYSCLK_SRC_MSIS	DT_SAME_NODE(DT_RCC_CLOCKS_CTRL, DT_NODELABEL(clk_msis))
 #endif
 
 #if DT_NODE_HAS_STATUS(DT_NODELABEL(pll), okay) && \