diff --git a/build-compare.changes b/build-compare.changes
index 949c956..ffcdb53 100644
--- a/build-compare.changes
+++ b/build-compare.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Oct 12 16:40:24 CEST 2016 - ro@suse.de
+
+- pkg-diff.sh: use option --speed-large-files for diffing
+  disassembler output 
+
 -------------------------------------------------------------------
 Wed Sep 21 07:18:37 UTC 2016 - olaf@aepfle.de
 
diff --git a/build-compare.spec b/build-compare.spec
index ad1bb5f..7f92716 100644
--- a/build-compare.spec
+++ b/build-compare.spec
@@ -21,7 +21,7 @@ Summary:        Build Result Compare Script
 License:        GPL-2.0+
 Group:          Development/Tools/Building
 Url:            https://github.com/openSUSE/build-compare
-Version:        20160921T091855.efc253f
+Version:        20161012T163739.10c9ac7
 Release:        0
 Source1:        COPYING
 Source2:        same-build-result.sh
diff --git a/pkg-diff.sh b/pkg-diff.sh
index cfe4a0b..4404967 100644
--- a/pkg-diff.sh
+++ b/pkg-diff.sh
@@ -746,7 +746,7 @@ check_single_file()
          monodis new/$file 2>/dev/null|sed -e 's/GUID = {.*}/GUID = { 42 }/;'> ${file2}
          if ! cmp -s ${file1} ${file2}; then
            echo "$file differs ($ftype)"
-           diff -u ${file1} ${file2}
+           diff --speed-large-files -u ${file1} ${file2}
            return 1
          fi
        else
@@ -770,7 +770,7 @@ check_single_file()
        sed -i -e "s,old/,," $file1
        sed -i -e "s,new/,," $file2
        elfdiff=
-       if ! diff -u $file1 $file2 > $dfile; then
+       if ! diff --speed-large-files -u $file1 $file2 > $dfile; then
           echo "$file differs in assembler output"
           head -n 200 $dfile
           elfdiff="1"