diff --git a/vtm/assets/styles/default.xml b/vtm/assets/styles/default.xml
index d680074c..21f08e41 100644
--- a/vtm/assets/styles/default.xml
+++ b/vtm/assets/styles/default.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<rendertheme xmlns="http://mapsforge.org/renderTheme" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://mapsforge.org/renderTheme ../../renderTheme.xsd" version="1" map-background="#fffcfa">
+<rendertheme xmlns="http://opensciencemap.org/rendertheme" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://opensciencemap.org/rendertheme ../../rendertheme.xsd" version="1" map-background="#fffcfa">
 
   <style-text id="road" k="name" font-size="16" fill="#101010" stroke="#eeeeee" stroke-width="2.0"
     priority="2" />
diff --git a/vtm/assets/styles/osmarender.xml b/vtm/assets/styles/osmarender.xml
index 1b0702c9..1e4e51bc 100644
--- a/vtm/assets/styles/osmarender.xml
+++ b/vtm/assets/styles/osmarender.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<rendertheme xmlns="http://mapsforge.org/renderTheme" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://mapsforge.org/renderTheme ../../renderTheme.xsd" version="1" map-background="#fffcfa">
+<rendertheme xmlns="http://opensciencemap.org/rendertheme" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://opensciencemap.org/rendertheme ../../rendertheme.xsd" version="1" map-background="#fffcfa">
 
   <!-- ways -->
   <m e="way">
diff --git a/vtm/assets/styles/tronrender.xml b/vtm/assets/styles/tronrender.xml
index 51800b2f..273ff8cc 100644
--- a/vtm/assets/styles/tronrender.xml
+++ b/vtm/assets/styles/tronrender.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<rendertheme xmlns="http://mapsforge.org/renderTheme" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://mapsforge.org/renderTheme ../../renderTheme.xsd" version="1"
-  map-background="#050508">
+<rendertheme xmlns="http://opensciencemap.org/rendertheme" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://opensciencemap.org/rendertheme ../../rendertheme.xsd" version="1" map-background="#050508">
 
   <style-text id="road" k="name" font-style="bold" font-size="18" stroke="#606050"
     fill="#eeffee" stroke-width="2.5" />
diff --git a/vtm/renderTheme.xsd b/vtm/rendertheme.xsd
similarity index 98%
rename from vtm/renderTheme.xsd
rename to vtm/rendertheme.xsd
index f9e16c25..61ef4cc1 100644
--- a/vtm/renderTheme.xsd
+++ b/vtm/rendertheme.xsd
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://mapsforge.org/renderTheme"
-  xmlns:tns="http://mapsforge.org/renderTheme" elementFormDefault="qualified" xml:lang="en">
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://opensciencemap.org/rendertheme"
+  xmlns:tns="http://opensciencemap.org/rendertheme" elementFormDefault="qualified" xml:lang="en">
   <!-- attribute types -->
   <xs:simpleType name="cap">
     <xs:restriction base="xs:string">