diff --git a/configs/stm32f4discovery/src/Makefile b/configs/stm32f4discovery/src/Makefile
index 02c83df9358..132f0516c01 100644
--- a/configs/stm32f4discovery/src/Makefile
+++ b/configs/stm32f4discovery/src/Makefile
@@ -61,7 +61,7 @@ CSRCS += stm32_usb.c
 endif
 
 ifeq ($(CONFIG_PWM),y)
-CSRCS += stm32_psm.c
+CSRCS += stm32_pwm.c
 endif
 
 ifeq ($(CONFIG_QENCODER),y)