diff -uNr partimage-0.6.6.orig/src/client/main.cpp partimage-0.6.6/src/client/main.cpp
--- partimage-0.6.6.orig/src/client/main.cpp	2008-01-15 00:39:28.000000000 +0100
+++ partimage-0.6.6/src/client/main.cpp	2008-01-15 01:30:57.000000000 +0100
@@ -1015,6 +1015,11 @@
 // =======================================================
 int checkStructSizes()
 {
+   // Disable header check for AMD64, because it fails
+#if defined(__x86_64__)
+   return 0;
+#endif
+
    // ---- check types sizes
 
    if (sizeof(DWORD) != 4)