diff --git a/server/session.py b/server/session.py
old mode 100644
new mode 100755
index b184e41..1a3355e
--- a/server/session.py
+++ b/server/session.py
@@ -289,7 +289,9 @@ class ElectrumX(SessionBase):
         revision //= 100
         daemon_version = '{:d}.{:d}.{:d}'.format(major, minor, revision)
         for pair in [
-                ('$VERSION', version.VERSION),
+                ('$VERSION', version.SUB_VERSION), # legacy
+                ('$SERVER_VERSION', version.VERSION),
+                ('$SERVER_SUBVERSION', version.SUB_VERSION),
                 ('$DAEMON_VERSION', daemon_version),
                 ('$DAEMON_SUBVERSION', network_info['subversion']),
                 ('$DONATION_ADDRESS', self.env.donation_address),
diff --git a/server/version.py b/server/version.py
old mode 100644
new mode 100755
index cdab28f..bcce393
--- a/server/version.py
+++ b/server/version.py
@@ -1,5 +1,6 @@
 # Server name and protocol versions
 
-VERSION = 'ElectrumX 1.0.10'
+VERSION = '1.0.10'
+SUB_VERSION = 'ElectrumX {}'.format(VERSION)
 PROTOCOL_MIN = '1.0'
 PROTOCOL_MAX = '1.0'