diff --git a/mineleader.lua b/mineleader.lua
index 24683a5..cc4a831 100644
--- a/mineleader.lua
+++ b/mineleader.lua
@@ -431,10 +431,10 @@ local function quarry(x, y, z, forward, right, pattern)
 			for zDelta=1,math.abs(z) do
 				local success = true;
 				orient(vector.new(0, 0, z), forward, right)
-				success = success && attemptBreakUp(pattern)
-				success = success && attemptBreakDown(pattern)
-				success = success && attemptBreakFront(pattern)
-				success = success && attemptMoveForward(pattern)
+				success = success and attemptBreakUp(pattern)
+				success = success and attemptBreakDown(pattern)
+				success = success and attemptBreakFront(pattern)
+				success = success and attemptMoveForward(pattern)
 				if not success then
 					sendLog(FAILED, "Unable to proceed with quarrying.")
 				end