diff --git a/src/libs/ifc/schema/pattern/v0.9.0.xsd b/src/libs/ifc/schema/pattern/v0.9.0.xsd
index 67577b868..507fac0f4 100644
--- a/src/libs/ifc/schema/pattern/v0.9.0.xsd
+++ b/src/libs/ifc/schema/pattern/v0.9.0.xsd
@@ -836,7 +836,7 @@
   </xs:simpleType>
   <xs:simpleType name="contentType">
     <xs:restriction base="xs:string">
-      <xs:pattern value="image\\/[-\w]+(\.[-\w]+)*([+][-\w]+)?"/>
+      <xs:pattern value="image/[-\w]+(\.[-\w]+)*([+][-\w]+)?"/>
     </xs:restriction>
   </xs:simpleType>
   <xs:simpleType name="colors">
diff --git a/src/libs/ifc/schema/pattern/v0.9.1.xsd b/src/libs/ifc/schema/pattern/v0.9.1.xsd
index 802eae918..9575264d9 100644
--- a/src/libs/ifc/schema/pattern/v0.9.1.xsd
+++ b/src/libs/ifc/schema/pattern/v0.9.1.xsd
@@ -845,7 +845,7 @@
   </xs:simpleType>
   <xs:simpleType name="contentType">
     <xs:restriction base="xs:string">
-      <xs:pattern value="image\\/[-\w]+(\.[-\w]+)*([+][-\w]+)?"/>
+      <xs:pattern value="image/[-\w]+(\.[-\w]+)*([+][-\w]+)?"/>
     </xs:restriction>
   </xs:simpleType>
   <xs:simpleType name="colors">
diff --git a/src/libs/ifc/schema/pattern/v0.9.2.xsd b/src/libs/ifc/schema/pattern/v0.9.2.xsd
index 773a0c21d..b9a8f96e1 100644
--- a/src/libs/ifc/schema/pattern/v0.9.2.xsd
+++ b/src/libs/ifc/schema/pattern/v0.9.2.xsd
@@ -855,7 +855,7 @@
   </xs:simpleType>
   <xs:simpleType name="contentType">
     <xs:restriction base="xs:string">
-      <xs:pattern value="image\\/[-\w]+(\.[-\w]+)*([+][-\w]+)?"/>
+      <xs:pattern value="image/[-\w]+(\.[-\w]+)*([+][-\w]+)?"/>
     </xs:restriction>
   </xs:simpleType>
   <xs:simpleType name="colors">