diff --git a/df.entities.xml b/df.entities.xml
index 03c21eef1..53298a334 100644
--- a/df.entities.xml
+++ b/df.entities.xml
@@ -491,7 +491,7 @@
             <stl-vector name='unk32a' type-name='int32_t'/>
             <stl-vector name='deities' type-name='int32_t' ref_target='historical_figure'/>
             <stl-vector name='worship' type-name='int32_t' comment="Same length as deities(?). Some kind of relationship strength?"/>
-            <stl-vector name='unk32d' type-name='int32_t'/>
+            <stl-vector name='belief_systems' type-name='int32_t' ref-target="belief_system" comment="In Religion type entities established by prophets after having developed their own belief system, the ID of this belief system is contained here."/>
             <stl-vector name='unk32e'>
                 <pointer>
                     <stl-vector type-name='int16_t'/>