diff --git a/examples/stm32c0x1/blink/project.xml b/examples/stm32c0x1/blink/project.xml
index 6c88c6dccb..f941829f15 100644
--- a/examples/stm32c0x1/blink/project.xml
+++ b/examples/stm32c0x1/blink/project.xml
@@ -10,6 +10,7 @@
   </options>
   <modules>
     <module>modm:platform:gpio</module>
+    <module>modm:platform:core</module>
     <module>modm:architecture:delay</module>
     <module>modm:build:scons</module>
   </modules>