diff --git a/common/culture/cultures/00_iberian.txt b/common/culture/cultures/00_iberian.txt
index 1818e480..f702152e 100644
--- a/common/culture/cultures/00_iberian.txt
+++ b/common/culture/cultures/00_iberian.txt
@@ -1,6 +1,6 @@
 andalusian = { #Vanilla andalusian, unused in the mod
 	color = { 0.4 0.6 0.1 }
-
+	head_determination = head_determination_domain
 	ethos = ethos_courtly
 	heritage = heritage_iberian
 	language = language_arabic
diff --git a/common/culture/cultures/00_latin.txt b/common/culture/cultures/00_latin.txt
index 5c4f6f5b..dec82e80 100644
--- a/common/culture/cultures/00_latin.txt
+++ b/common/culture/cultures/00_latin.txt
@@ -1,6 +1,6 @@
 roman = {
 	color = { 0.8 0.1 0.1 }
-	
+	head_determination = head_determination_domain	
 	ethos = ethos_bellicose
 	heritage = heritage_latin
 	language = language_latin