diff --git a/src/const.h b/src/const.h
index 27b2df88845ba44a9b27657c01338b2a345f5c16..6710fe9e52dfdbede468282d84d4441b923a59fe 100644
--- a/src/const.h
+++ b/src/const.h
@@ -59,8 +59,8 @@
 //#define WENDLAND_C6_KERNEL
 
 /* SPH variant to use */
-#define MINIMAL_SPH
-//#define GADGET2_SPH
+//#define MINIMAL_SPH
+#define GADGET2_SPH
 //#define DEFAULT_SPH
 
 /* Self gravity stuff. */