--- src/spvw_memfile.d
+++ src/spvw_memfile.d	2006-07-25 12:16:42.342971403 +0000
@@ -969,7 +969,10 @@
         }                                                               \
       } while(0)
    begin_read:
-    set_file_offset(0);
+    if (mem_searched)
+      set_file_offset(mem_start);
+    else
+      set_file_offset(0);
     /* read basic information: */
     READ(&header,sizeof(header));
     if (header._magic != memdump_magic) {