diff --git a/src/core.c b/src/core.c
index fbc177e..074145e 100644
--- a/src/core.c
+++ b/src/core.c
@@ -237,7 +237,13 @@ static void MwFreeWidget(MwWidget handle) {
 
 void MwDestroyWidget(MwWidget handle) {
 	if(handle->parent != NULL) {
-		arrput(handle->parent->destroy_queue, handle);
+		int i;
+		for(i = 0; i < arrlen(handle->parent->destroy_queue); i++){
+			if(handle->parent->destroy_queue[i] == handle) break;
+		}
+		if(i == arrlen(handle->parent->destroy_queue)){
+			arrput(handle->parent->destroy_queue, handle);
+		}
 	}
 	handle->destroyed = 1;
 }