diff --git a/sal/version.plist b/sal/version.plist
index 01f5fdf6..adce6f5f 100644
--- a/sal/version.plist
+++ b/sal/version.plist
@@ -3,6 +3,6 @@
 <plist version="1.0">
 <dict>
 	<key>version</key>
-	<string>4.1.7.2172</string>
+	<string>4.1.8.2179</string>
 </dict>
 </plist>
diff --git a/server/templatetags/dashboard_extras.py b/server/templatetags/dashboard_extras.py
index e3121fe8..5f397fea 100644
--- a/server/templatetags/dashboard_extras.py
+++ b/server/templatetags/dashboard_extras.py
@@ -29,11 +29,11 @@ def human_readable_size(size_in_bytes, base2=True):
     """
     try:
         size_in_bytes = float(size_in_bytes)
-    except ValueError:
+    except (ValueError, TypeError):
         size_in_bytes = 0
-    base, suffix = (1024.0, 'iB') if base2 else (1000.0, 'B')
+    base, suffix = (1024.0, "iB") if base2 else (1000.0, "B")
     # Build an iterable of suffixes to work through.
-    for x in ['B'] + list(map(lambda x: x + suffix, list('kMGTP'))):
+    for x in ["B"] + list(map(lambda x: x + suffix, list("kMGTP"))):
         if -base < size_in_bytes < base:
             return f"{size_in_bytes:.2f} {x}"
         size_in_bytes /= base
@@ -59,10 +59,10 @@ def cat(arg1, arg2):
 
 @register.filter
 def macos(os_version):
-    if LooseVersion(os_version) > LooseVersion('10.11.99'):
-        return 'macOS'
+    if LooseVersion(os_version) > LooseVersion("10.11.99"):
+        return "macOS"
     else:
-        return 'OS X'
+        return "OS X"
 
 
 @register.filter
diff --git a/set_build_no.sh b/set_build_no.sh
index 2bae1bab..919e657c 100755
--- a/set_build_no.sh
+++ b/set_build_no.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-current_version="4.1.7"
+current_version="4.1.8"
 pushd `dirname $0` > /dev/null
 SCRIPTPATH=`pwd`