diff --git a/src/kernel_gravity.h b/src/kernel_gravity.h
index 7e2b418064d16ffef2810387aba72436432c7351..1ce8f897bea6777721d6f6062b2d28393b1afa91 100644
--- a/src/kernel_gravity.h
+++ b/src/kernel_gravity.h
@@ -26,7 +26,7 @@
 #include "inline.h"
 #include "minmax.h"
 
-//#define GADGET2_SOFTENING_CORRECTION
+#define GADGET2_SOFTENING_CORRECTION
 
 #ifdef GADGET2_SOFTENING_CORRECTION
 /*! Conversion factor between Plummer softening and internal softening */