diff --git src/bp-core/js/avatar.js src/bp-core/js/avatar.js
index bb032c1..dc887a7 100644
--- src/bp-core/js/avatar.js
+++ src/bp-core/js/avatar.js
@@ -530,7 +530,7 @@ window.bp = window.bp || {};
 				selection = {}, crop_top, crop_bottom, crop_left, crop_right, nh, nw;
 
 			if ( ! _.isUndefined( this.options.full_h ) && ! _.isUndefined( this.options.full_w ) ) {
-				this.options.aspectRatio = this.options.full_h / this.options.full_w;
+				this.options.aspectRatio = this.options.full_w / this.options.full_h;
 			}
 
 			selection.w = this.model.get( 'width' );