diff --git a/library/include/dfhack/modules/Creatures.h b/library/include/dfhack/modules/Creatures.h
index 99db5853e..062319f9f 100644
--- a/library/include/dfhack/modules/Creatures.h
+++ b/library/include/dfhack/modules/Creatures.h
@@ -387,6 +387,7 @@ namespace DFHack
 		bool WriteAttributes(const uint32_t index, const t_creature &creature);
 		bool WriteSex(const uint32_t index, const uint8_t sex);
 		bool WriteTraits(const uint32_t index, const t_soul &soul);
+		bool WriteMood(const uint32_t index, const uint16_t mood);
 
 	private:
 		struct Private;
diff --git a/library/modules/Creatures.cpp b/library/modules/Creatures.cpp
index e1250f01b..ff2fbc6b8 100644
--- a/library/modules/Creatures.cpp
+++ b/library/modules/Creatures.cpp
@@ -474,6 +474,17 @@ bool Creatures::WriteTraits(const uint32_t index, const t_soul &soul)
 	return true;
 }
 
+bool Creatures::WriteMood(const uint32_t index, const uint16_t mood)
+{
+	if(!d->Started) 
+		return false;
+
+	uint32_t temp = d->p_cre->at (index);
+	Process * p = d->owner;
+	p->writeWord(temp + d->creatures.mood_offset, mood);
+	return true;
+}
+
 uint32_t Creatures::GetDwarfRaceIndex()
 {
     if(!d->Inited) return 0;