diff --git a/src/libs/ifc/schema/pattern/v0.7.5.xsd b/src/libs/ifc/schema/pattern/v0.7.5.xsd
index c7597797c..3627aa6de 100644
--- a/src/libs/ifc/schema/pattern/v0.7.5.xsd
+++ b/src/libs/ifc/schema/pattern/v0.7.5.xsd
@@ -432,7 +432,7 @@
                           <xs:attribute name="name" type="xs:string"/>
                           <xs:attribute name="typeLine" type="curvePenStyle"/>
                           <xs:attribute name="cut" type="xs:boolean"/>
-                          <xs:attribute name="visible" type="xs:boolean"/> 
+                          <xs:attribute name="visible" type="xs:string"/> 
                         </xs:complexType>
                       </xs:element>
                       <xs:element name="tools" minOccurs="0" maxOccurs="unbounded">
diff --git a/src/libs/ifc/schema/pattern/v0.7.6.xsd b/src/libs/ifc/schema/pattern/v0.7.6.xsd
index 115cf0dce..3c80a2129 100644
--- a/src/libs/ifc/schema/pattern/v0.7.6.xsd
+++ b/src/libs/ifc/schema/pattern/v0.7.6.xsd
@@ -432,7 +432,7 @@
                           <xs:attribute name="name" type="xs:string"/>
                           <xs:attribute name="typeLine" type="curvePenStyle"/>
                           <xs:attribute name="cut" type="xs:boolean"/>
-                          <xs:attribute name="visible" type="xs:boolean"/> 
+                          <xs:attribute name="visible" type="xs:string"/> 
                         </xs:complexType>
                       </xs:element>
                       <xs:element name="tools" minOccurs="0" maxOccurs="unbounded">