Index: trunk/psLib/src/fits/psFitsImage.c
===================================================================
--- trunk/psLib/src/fits/psFitsImage.c	(revision 22729)
+++ trunk/psLib/src/fits/psFitsImage.c	(revision 24863)
@@ -439,4 +439,8 @@
 
     p_psFitsReadInfo *info = p_psFitsReadInfoAlloc(fits, region, z);
+    if (!info) {
+        psError(PS_ERR_IO, false, "Unable to read FITS information");
+        return NULL;
+    }
 
     // Size of image