diff --git a/src/oneD/refine.cpp b/src/oneD/refine.cpp
index c0288542ed..efeb99f47d 100644
--- a/src/oneD/refine.cpp
+++ b/src/oneD/refine.cpp
@@ -12,7 +12,7 @@ namespace Cantera
 {
 Refiner::Refiner(Domain1D& domain) :
     m_ratio(10.0), m_slope(0.8), m_curve(0.8), m_prune(-0.001),
-    m_min_range(0.01), m_domain(&domain), m_npmax(3000),
+    m_min_range(0.01), m_domain(&domain), m_npmax(1000),
     m_gridmin(1e-10)
 {
     m_nv = m_domain->nComponents();