1 files changed, 3 insertions, 0 deletions
diff --git a/src/reax.c b/src/reax.c
index f2a7d8e6..eafb1225 100644
--- a/src/reax.c
+++ b/src/reax.c
@@ -339,6 +339,9 @@ void reax_index(IndexingPrivate *pp, struct image *image, UnitCell *cell)
 
 	}
 
+	/* Sanity check */
+	if ( pmax < 1e4 ) return;
+
 	/* Search for a */
 	smin = 2.0*pmax * amin;
 	smax = 2.0*pmax * amax;