diff --git a/detect-element-resize.js b/detect-element-resize.js
index cbb3c02..80738fe 100644
--- a/detect-element-resize.js
+++ b/detect-element-resize.js
@@ -28,13 +28,17 @@
 			var triggers = element.__resizeTriggers__,
 				expand = triggers.firstElementChild,
 				contract = triggers.lastElementChild,
-				expandChild = expand.firstElementChild;
-			contract.scrollLeft = contract.scrollWidth;
-			contract.scrollTop = contract.scrollHeight;
-			expandChild.style.width = expand.offsetWidth + 1 + 'px';
-			expandChild.style.height = expand.offsetHeight + 1 + 'px';
-			expand.scrollLeft = expand.scrollWidth;
-			expand.scrollTop = expand.scrollHeight;
+				expandChild;
+				if(expand) {
+					expandChild = expand.firstElementChild;
+					contract.scrollLeft = contract.scrollWidth;
+					contract.scrollTop = contract.scrollHeight;
+					expandChild.style.width = expand.offsetWidth + 1 + 'px';
+					expandChild.style.height = expand.offsetHeight + 1 + 'px';
+					expand.scrollLeft = expand.scrollWidth;
+					expand.scrollTop = expand.scrollHeight;
+				}
+				
 		};
 
 		function checkTriggers(element){
@@ -144,4 +148,4 @@
 			}
 		}
 	}
-})();
\ No newline at end of file
+})();