diff --git a/build-compare.changes b/build-compare.changes
index 3ed89eb..f1c0a56 100644
--- a/build-compare.changes
+++ b/build-compare.changes
@@ -4,6 +4,7 @@ Tue Feb  3 11:34:39 UTC 2015 - olaf@aepfle.de
 - 2015.02.03
 - Trim .TH also in perl man pages (bnc#915941)
 - Trim first line of man page to catch overly verbose tools
+- Use correct offset for patching mtime out of .pyc files
 
 -------------------------------------------------------------------
 Mon Feb  2 10:05:40 UTC 2015 - olaf@aepfle.de
diff --git a/rpm-check.sh b/rpm-check.sh
index 4e6d7d7..110c414 100644
--- a/rpm-check.sh
+++ b/rpm-check.sh
@@ -373,8 +373,8 @@ check_single_file()
        done
        return $ret;;
      *.pyc|*.pyo)
-        perl -e "open fh, '+<', 'old/$file'; seek fh, 3, SEEK_SET; print fh '0000';"
-        perl -e "open fh, '+<', 'new/$file'; seek fh, 3, SEEK_SET; print fh '0000';"
+        perl -e "open fh, '+<', 'old/$file'; seek fh, 4, SEEK_SET; print fh '0000';"
+        perl -e "open fh, '+<', 'new/$file'; seek fh, 4, SEEK_SET; print fh '0000';"
         ;;
      *.bz2)
         bunzip2 -c old/$file > old/${file/.bz2/}