diff --git a/phpBB/styles/prosilver/style.cfg b/phpBB/styles/prosilver/style.cfg
index a80f1ed537..633079e4a6 100644
--- a/phpBB/styles/prosilver/style.cfg
+++ b/phpBB/styles/prosilver/style.cfg
@@ -18,7 +18,8 @@
 # General Information about this style
 name = prosilver
 copyright = © phpBB Group, 2007
-version = 3.1.0-dev
+style_version = 3.1.0-dev
+phpbb_version = 3.1.0-dev
 
 # Defining a different template bitfield
 # template_bitfield = lNg=
diff --git a/phpBB/styles/subsilver2/style.cfg b/phpBB/styles/subsilver2/style.cfg
index 1a71e7254d..ca81337d17 100644
--- a/phpBB/styles/subsilver2/style.cfg
+++ b/phpBB/styles/subsilver2/style.cfg
@@ -18,7 +18,8 @@
 # General Information about this style
 name = subsilver2
 copyright = © 2005 phpBB Group
-version = 3.1.0-dev
+style_version = 3.1.0-dev
+phpbb_version = 3.1.0-dev
 
 # Defining a different template bitfield
 # template_bitfield = lNg=