diff --git a/CMakeLists.txt b/CMakeLists.txt
index d481837ef..bee72c013 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1271,6 +1271,9 @@ else ()
 	OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
 	OUTPUT_STRIP_TRAILING_WHITESPACE
 	)
+      if (${CPACK_DEBIAN_PACKAGE_ARCHITECTURE} STREQUAL powerpc AND ${PROJECT_ARCHITECTURE} STREQUAL ppc64)
+	set (CPACK_DEBIAN_PACKAGE_ARCHITECTURE ${PROJECT_ARCHITECTURE})
+      endif (${CPACK_DEBIAN_PACKAGE_ARCHITECTURE} STREQUAL powerpc AND ${PROJECT_ARCHITECTURE} STREQUAL ppc64)
     else (DPKG_PROGRAM)
       set (CPACK_DEBIAN_PACKAGE_ARCHITECTURE noarch)
     endif (DPKG_PROGRAM)