diff --git a/bin/git-revhash b/bin/git-revhash
index 1c02c06..69d1d1c 100755
--- a/bin/git-revhash
+++ b/bin/git-revhash
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Use
-# git-revhash 'tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904\nparent 22c0fa5195a53f2e733ec75a9b6e9d1624a8b771\nauthor seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\ncommitter seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\n\nmaking dir structure...'  # noqa
+# git-revhash 'tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904\nparent 22c0fa5195a53f2e733ec75a9b6e9d1624a8b771\nauthor seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\ncommitter seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\n\nmaking dir structure...\n'  # noqa
 # output: 17a631d474f49bbebfdf3d885dcde470d7faafd7
 
-echo -e $* | git hash-object --stdin -t commit
+echo -ne $* | git hash-object --stdin -t commit
diff --git a/bin/swh-revhash b/bin/swh-revhash
index 795acd3..c7e2998 100755
--- a/bin/swh-revhash
+++ b/bin/swh-revhash
@@ -1,31 +1,31 @@
 #!/usr/bin/env python3
 
 # Use:
 # swh-revhash 'tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904\nparent 22c0fa5195a53f2e733ec75a9b6e9d1624a8b771\nauthor seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\ncommitter seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\n\nmaking dir structure...\n'  # noqa
 # output: 17a631d474f49bbebfdf3d885dcde470d7faafd7
 
 # To compare with git:
-# echo -e 'tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904\nparent 22c0fa5195a53f2e733ec75a9b6e9d1624a8b771\nauthor seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\ncommitter seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\n\nmaking dir structure...' | git hash-object -t commit --stdin   # noqa
+# git-revhash 'tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904\nparent 22c0fa5195a53f2e733ec75a9b6e9d1624a8b771\nauthor seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\ncommitter seanius <seanius@3187e211-bb14-4c82-9596-0b59d67cd7f4> 1138341044 +0000\n\nmaking dir structure...\n'   # noqa
 # output: 17a631d474f49bbebfdf3d885dcde470d7faafd7
 
 
 import sys
 
 from swh.model import identifiers, hashutil
 
 
 def revhash(revision_raw):
     """Compute the revision hash.
 
     """
     if b'\\n' in revision_raw:  # HACK: string have somehow their \n
                                 # expanded to \\n
         revision_raw = revision_raw.replace(b'\\n', b'\n')
 
     h = hashutil.hash_git_data(revision_raw, 'commit')
     return identifiers.identifier_to_str(h)
 
 
 if __name__ == '__main__':
     revision_raw = sys.argv[1].encode('utf-8')
     print(revhash(revision_raw))