diff --git a/config/examples/Dagoma/Disco Ultimate/Configuration.h b/config/examples/Dagoma/Disco Ultimate/Configuration.h
index 9c9c43b2c7..84f883f5c3 100644
--- a/config/examples/Dagoma/Disco Ultimate/Configuration.h	
+++ b/config/examples/Dagoma/Disco Ultimate/Configuration.h	
@@ -2877,7 +2877,7 @@
 
 // Set number of user-controlled fans. Disable to use all board-defined fans.
 // :[1,2,3,4,5,6,7,8]
-//#define NUM_M106_FANS 1
+#define NUM_M106_FANS 1
 
 // Use software PWM to drive the fan, as for the heaters. This uses a very low frequency
 // which is not as annoying as with the hardware PWM. On the other hand, if this frequency