diff --git a/docs/schemas/basictypes.rng b/docs/schemas/basictypes.rng
index a83063afcc..12cab6a3ee 100644
--- a/docs/schemas/basictypes.rng
+++ b/docs/schemas/basictypes.rng
@@ -230,25 +230,25 @@
 
   <define name="filePath">
     <data type="string">
-      <param name="pattern">[a-zA-Z0-9_\.\+\-\\&amp;&quot;&apos;&lt;&gt;/%]+</param>
+      <param name="pattern">.+</param>
     </data>
   </define>
 
   <define name="dirPath">
     <data type="string">
-      <param name="pattern">[a-zA-Z0-9_\.\+\-\\&amp;&quot;&apos;&lt;&gt;/%]+</param>
+      <param name="pattern">.+</param>
     </data>
   </define>
 
   <define name="absFilePath">
     <data type="string">
-      <param name="pattern">/[a-zA-Z0-9_\.\+\-\\&amp;&quot;&apos;&lt;&gt;/%,:]+</param>
+      <param name="pattern">/.+</param>
     </data>
   </define>
 
   <define name="absDirPath">
     <data type="string">
-      <param name="pattern">/[a-zA-Z0-9_\.\+\-\\&amp;&quot;&apos;&lt;&gt;/%]*</param>
+      <param name="pattern">/.*</param>
     </data>
   </define>
 
diff --git a/tests/domainschemadata/domain-disk-source-space.xml b/tests/domainschemadata/domain-disk-source-space.xml
new file mode 100644
index 0000000000..553b6c7f01
--- /dev/null
+++ b/tests/domainschemadata/domain-disk-source-space.xml
@@ -0,0 +1,36 @@
+<domain type='kvm'>
+  <name>dummy</name>
+  <uuid>aa86471a-e67b-41b1-8d7d-2dc37c2ac5ec</uuid>
+  <memory unit='KiB'>2097152</memory>
+  <currentMemory unit='KiB'>2097152</currentMemory>
+  <vcpu placement='static'>4</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-i440fx-2.5'>hvm</type>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+  </features>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+  <pm>
+    <suspend-to-mem enabled='no'/>
+    <suspend-to-disk enabled='no'/>
+  </pm>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <source file='/a/path/with some space in it.iso'/>
+      <target dev='hda' bus='ide'/>
+      <readonly/>
+      <boot order='1'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='pci' index='0' model='pci-root'/>
+    <controller type='ide' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+  </devices>
+</domain>