diff --git a/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderManager.java b/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderManager.java
index f25598a6..43e7be3b 100644
--- a/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderManager.java
+++ b/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderManager.java
@@ -94,6 +94,11 @@ public Collection<RenderTicket> createTickets(MapType mapType, Collection<Vector
 	public boolean prioritizeRenderTask(RenderTask renderTask) {
 		synchronized (renderTasks) {
 			if (renderTasks.remove(renderTask)) {
+				
+				//pause first task
+				RenderTask currentFirst = renderTasks.peek();
+				if (currentFirst != null) currentFirst.pause();
+				
 				renderTasks.addFirst(renderTask);
 				return true;
 			}
diff --git a/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderTask.java b/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderTask.java
index c13fb053..28710a29 100644
--- a/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderTask.java
+++ b/BlueMapSponge/src/main/java/de/bluecolored/bluemap/sponge/RenderTask.java
@@ -104,6 +104,8 @@ public RenderTicket poll() {
 	 * It will resume as soon as a new ticket gets polled
 	 */
 	public void pause() {
+		if (firstTileTime < 0) return;
+		
 		synchronized (renderTiles) {
 			additionalRunTime += System.currentTimeMillis() - firstTileTime;
 			firstTileTime = -1;