Index: trunk/psastro/src/psastroLuminosityFunction.c
===================================================================
--- trunk/psastro/src/psastroLuminosityFunction.c	(revision 20805)
+++ trunk/psastro/src/psastroLuminosityFunction.c	(revision 21183)
@@ -91,5 +91,5 @@
     psLogMsg ("psastro", 4, "fitting %d points to luminosity function\n", n);
 
-    psVector *mask = psVectorAlloc (Mag->n, PS_TYPE_MASK);
+    psVector *mask = psVectorAlloc (Mag->n, PS_TYPE_VECTOR_MASK);
     psVectorInit (mask, 0);
 
@@ -108,5 +108,5 @@
     double mMaxValid = NAN;
     for (int i = 0; i < Mag->n; i++) {
-        if (mask->data.U8[i]) continue;
+        if (mask->data.PS_TYPE_VECTOR_MASK_DATA[i]) continue;
         if (isnan(mMinValid) || (Mag->data.F32[i] < mMinValid)) {
             mMinValid = Mag->data.F32[i];