diff --git a/src/endWeek/economics/neighborsDevelopment.js b/src/endWeek/economics/neighborsDevelopment.js
index 295a9b24219bd90b3eb4b46ea68c16adc58a5852..ddade6c6d499fd290c293992eb342173b3e0cff8 100644
--- a/src/endWeek/economics/neighborsDevelopment.js
+++ b/src/endWeek/economics/neighborsDevelopment.js
@@ -255,6 +255,7 @@ App.EndWeek.neighborsDevelopment = function() {
 				}
 			}
 		}
+		arc.minority = Math.max(arc.minority, 0); // minority share may have just dropped under 0
 
 		if (arc.direction !== 0) {
 			/* AI ARCOLOGY SHARE BUYING AND SELLING */