diff --git a/src/libs/ifc/schema/pattern/v0.7.12.xsd b/src/libs/ifc/schema/pattern/v0.7.12.xsd
index 2ab39228e..73eac9aa8 100644
--- a/src/libs/ifc/schema/pattern/v0.7.12.xsd
+++ b/src/libs/ifc/schema/pattern/v0.7.12.xsd
@@ -415,8 +415,8 @@
                                       <xs:attribute name="excluded" type="xs:boolean"/>
                                       <xs:attribute name="softExcluded" type="xs:boolean"/>
                                       <xs:attribute name="checkUniqueness" type="xs:boolean"/>
-                                      <xs:attribute name="before" type="xs:double"/>
-                                      <xs:attribute name="after" type="xs:double"/>
+                                      <xs:attribute name="before" type="xs:string"/>
+                                      <xs:attribute name="after" type="xs:string"/>
                                       <xs:attribute name="angle" type="nodeAngle"/>
                                       <xs:attribute name="passmark" type="xs:boolean"/>
                                       <xs:attribute name="passmarkLine" type="passmarkLineType"/>