diff --git a/src/Geometry/Collection.php b/src/Geometry/Collection.php
index 9ce907ea..0e39aea5 100644
--- a/src/Geometry/Collection.php
+++ b/src/Geometry/Collection.php
@@ -222,7 +222,9 @@ public function numPoints() {
   public function getPoints() {
     $points = array();
     foreach ($this->components as $component) {
-      $points = array_merge($points, $component->getPoints());
+      foreach ($component->getPoints() as $point) {
+        $points[] = $point;
+      }
     }
     return $points;
   }
@@ -274,7 +276,9 @@ public function isSimple() {
   public function explode() {
     $parts = array();
     foreach ($this->components as $component) {
-      $parts = array_merge($parts, $component->explode());
+    	foreach ($component->explode() as $subComponent) {
+		$parts[] = $subComponent;
+	}
     }
     return $parts;
   }