Index: trunk/Ohana/src/opihi/cmd.data/tdhistogram.c
===================================================================
--- trunk/Ohana/src/opihi/cmd.data/tdhistogram.c	(revision 38062)
+++ trunk/Ohana/src/opihi/cmd.data/tdhistogram.c	(revision 39233)
@@ -140,5 +140,5 @@
     gfits_free_matrix (&bf[0].matrix);
     gfits_free_header (&bf[0].header);
-    CreateBuffer3D (bf, Nx, Ny, Nz, -32, 0.0, 1.0);
+    if (!CreateBuffer3D (bf, Nx, Ny, Nz, -32, 0.0, 1.0)) return FALSE;
     strcpy (bf[0].file, "(empty)");