diff --git a/gradle/scripts/dependencies.gradle b/gradle/scripts/dependencies.gradle
index 35b6e4482..cb9d00193 100644
--- a/gradle/scripts/dependencies.gradle
+++ b/gradle/scripts/dependencies.gradle
@@ -31,7 +31,7 @@ repositories {
 
     maven {
         name = "Tesla repo"
-        url "http://maven.mcmoddev.com"
+        url "https://maven.mcmoddev.com"
     }
 
     maven {
diff --git a/src/main/java/appeng/core/sync/packets/PacketJEIRecipe.java b/src/main/java/appeng/core/sync/packets/PacketJEIRecipe.java
index 2e05dfbe7..49119efc2 100644
--- a/src/main/java/appeng/core/sync/packets/PacketJEIRecipe.java
+++ b/src/main/java/appeng/core/sync/packets/PacketJEIRecipe.java
@@ -175,6 +175,10 @@ public class PacketJEIRecipe extends AppEngPacket
 			{
 				ItemStack currentItem = craftMatrix.getStackInSlot( x );
 
+				if (x >= this.recipe.size()) {
+					currentItem = ItemStack.EMPTY;
+				}
+
 				// prepare slots
 				if( !currentItem.isEmpty() )
 				{