diff --git a/src/interpolate.cpp b/src/interpolate.cpp
index 0c3513f..407627c 100644
--- a/src/interpolate.cpp
+++ b/src/interpolate.cpp
@@ -75,6 +75,8 @@ const Interpolate& Interpolate::operator=(const Interpolate& a)
   spline = gsl_spline_alloc (gsl_interp_linear, a.spline->size);
   accel_interp = gsl_interp_accel_alloc ();
   gsl_spline_init(spline, a.spline->x, a.spline->y, a.spline->size);
+  logx = a.logx;
+  logy = a.logy;
 }
 
 double Interpolate::getMaxX() const
diff --git a/src/kdtree_leaf.hpp b/src/kdtree_leaf.hpp
index 3a3a0b6..145fa57 100644
--- a/src/kdtree_leaf.hpp
+++ b/src/kdtree_leaf.hpp
@@ -70,9 +70,11 @@ namespace CosmoTool {
     uint32_t getNumberInNode(const Node *n) const { return n->numNodes; }
 #else
     uint32_t getNumberInNode(const Node *n) const {
+      if (n->leaf)
+        return 1;
       if (n == 0) 
         return 0;
-      return 1+getNumberInNode(n->children[0])+getNumberInNode(n->children[1]);
+      return getNumberInNode(n->children[0])+getNumberInNode(n->children[1]);
     }
 #endif
 
diff --git a/src/powerSpectrum.cpp b/src/powerSpectrum.cpp
index b73d019..9f3d7c8 100644
--- a/src/powerSpectrum.cpp
+++ b/src/powerSpectrum.cpp
@@ -21,7 +21,7 @@ using namespace std;
 #define POWER_BDM 7
 #define POWER_TEST 8
 
-#define POWER_SPECTRUM HU_BARYON
+#define POWER_SPECTRUM HU_WIGGLES
 
 namespace Cosmology {