diff --git a/settings.gradle b/settings.gradle
index dcbd58cf9..0fe46c84f 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,2 +1 @@
 rootProject.name = 'LEGUP'
-
diff --git a/src/test/java/puzzles/lightup/rules/EmptyCornersDirectRuleTest.java b/src/test/java/puzzles/lightup/rules/EmptyCornersDirectRuleTest.java
index 073b1c9df..bea69b95f 100644
--- a/src/test/java/puzzles/lightup/rules/EmptyCornersDirectRuleTest.java
+++ b/src/test/java/puzzles/lightup/rules/EmptyCornersDirectRuleTest.java
@@ -28,8 +28,8 @@ public void EmptyCornersTest() throws InvalidFileFormatException {
         TestUtilities.importTestBoard("puzzles/lightup/rules/EmptyCornersDirectRule/EmptyCorners", lightUp);
         TreeNode rootNode = lightUp.getTree().getRootNode();
         TreeTransition transition = rootNode.getChildren().get(0);
-        transition.setRule(RULE); 
-        
+        transition.setRule(RULE);
+
         //get board state 
         LightUpBoard board = (LightUpBoard) transition.getBoard();
 
@@ -42,16 +42,32 @@ public void EmptyCornersTest() throws InvalidFileFormatException {
         cell2.setData(LightUpCellType.EMPTY.value);
         board.addModifiedData(cell2);
 
+        LightUpCell cell3 = board.getCell(4,3);
+        cell3.setData(LightUpCellType.EMPTY.value);
+        board.addModifiedData(cell3);
+
         //confirm there is a logical following of the EmptyCorners rule
         Assert.assertNull(RULE.checkRule(transition));
 
+        //this should not be accepted, the cell should remain unknown
+        LightUpCell cell4 = board.getCell(4,5);
+        cell4.setData(LightUpCellType.EMPTY.value);
+        board.addModifiedData(cell4);
+
+        //this should not be accepted, the cell should be empty but not because of this rule
+        LightUpCell cell5 = board.getCell(4,1);
+        cell5.setData(LightUpCellType.EMPTY.value);
+        board.addModifiedData(cell5);
+
+        Assert.assertNotNull(RULE.checkRule(transition));
+
         //confirm the two expected cells are emptied USING THE RULE
         // and none of the rest are (others can be empty just not by the same rule)
         LightUpCell c;
         for (int i = 0; i < board.getHeight(); i++) {
             for (int j = 0; j < board.getWidth(); j++) {
                 c = board.getCell(j, i);
-                if ((i == 2 && j == 0) || (i == 2 && j == 2)){
+                if ((i == 2 && j == 0) || (i == 2 && j == 2) || (i==3 && j==4)){
                     Assert.assertNull(RULE.checkRuleAt(transition, c));
                 }
                 else {
@@ -60,4 +76,4 @@ public void EmptyCornersTest() throws InvalidFileFormatException {
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/test/resources/puzzles/lightup/rules/EmptyCornersDirectRule/EmptyCorners b/src/test/resources/puzzles/lightup/rules/EmptyCornersDirectRule/EmptyCorners
index 5dc1013fd..3d082d4b2 100644
--- a/src/test/resources/puzzles/lightup/rules/EmptyCornersDirectRule/EmptyCorners
+++ b/src/test/resources/puzzles/lightup/rules/EmptyCornersDirectRule/EmptyCorners
@@ -1,9 +1,13 @@
 <Legup>
     <puzzle name="LightUp">
-        <board width="3" height="3">
+        <board width="6" height="6">
             <cells>
                 <cell value="3" x="1" y="1"/>
                 <cell value="-4" x="1" y="0"/>
+                <cell value="2" x="3" y="4"/>
+                <cell value="2" x="5" y="2"/>
+                <cell value="-4" x="2" y="4"/>
+                <cell value="-4" x="5" y="1"/>
             </cells>
         </board>
     </puzzle>