diff --git a/src/drivers/l3gd20/l3gd20.cpp b/src/drivers/l3gd20/l3gd20.cpp
index 64d1a7e552..2273f8aecc 100644
--- a/src/drivers/l3gd20/l3gd20.cpp
+++ b/src/drivers/l3gd20/l3gd20.cpp
@@ -990,6 +990,9 @@ void	info();
 
 /**
  * Start the driver.
+ *
+ * This function call only returns once the driver
+ * started or failed to detect the sensor.
  */
 void
 start(bool external_bus, enum Rotation rotation)
diff --git a/src/drivers/l3gd20/module.mk b/src/drivers/l3gd20/module.mk
index 23e77e8712..83752e08be 100644
--- a/src/drivers/l3gd20/module.mk
+++ b/src/drivers/l3gd20/module.mk
@@ -4,3 +4,5 @@
 
 MODULE_COMMAND	 = l3gd20
 SRCS		 = l3gd20.cpp
+
+MODULE_STACKSIZE	= 1200