diff --git a/src/const.h b/src/const.h
index 4b62d92b74c5f14caa83e37db18fe14a45948a29..3bd9edff8227a87d040ec7309998364c946307af 100644
--- a/src/const.h
+++ b/src/const.h
@@ -66,8 +66,8 @@
 #define const_iepsilon6 (const_iepsilon3* const_iepsilon3)
 
 /* SPH variant to use */
-#define MINIMAL_SPH
-//#define GADGET2_SPH
+//#define MINIMAL_SPH
+#define GADGET2_SPH
 //#define DEFAULT_SPH
 
 /* System of units */