diff --git a/ROMFS/px4fmu_test/init.d/rcS b/ROMFS/px4fmu_test/init.d/rcS
index 233a098b89..6d72ecc6c7 100644
--- a/ROMFS/px4fmu_test/init.d/rcS
+++ b/ROMFS/px4fmu_test/init.d/rcS
@@ -230,3 +230,5 @@ else
 fi
 
 ver all
+
+free