diff --git a/src/main/java/appeng/parts/automation/PartFormationPlane.java b/src/main/java/appeng/parts/automation/PartFormationPlane.java
index ec6337ad2d1..e43f250e467 100644
--- a/src/main/java/appeng/parts/automation/PartFormationPlane.java
+++ b/src/main/java/appeng/parts/automation/PartFormationPlane.java
@@ -542,6 +542,8 @@ public IAEItemStack injectItems(final IAEItemStack input, final Actionable type,
                                     side.offsetY,
                                     side.offsetZ);
                             maxStorage -= is.stackSize;
+                        } else {
+                            worked = false;
                         }
                     }
                 } else {