diff --git a/src/main/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaring.java b/src/main/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaring.java
index fceb0d7..1581bee 100644
--- a/src/main/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaring.java
+++ b/src/main/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaring.java
@@ -30,7 +30,8 @@ public void tareAllBoxes() {
 
 	private void tareIfNeeded(String id) {
 		Box box = boxService.getBox(id);
-		if (box.getWeight() < 50) {
+		if (box.getWeight() <= -5 //
+				|| (Math.abs(box.getWeight()) >= 5 && Math.abs(box.getWeight()) < 50)) {
 			scaleService.tare(id);
 		} else {
 			log.info("No need to tare Scale {}, weight was {}.", id, box.getWeight());
diff --git a/src/test/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaringTest.java b/src/test/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaringTest.java
index e24754a..fa6ff4c 100644
--- a/src/test/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaringTest.java
+++ b/src/test/java/ch/stephan/chickenfarm/timer/ContinuousScaleTaringTest.java
@@ -34,12 +34,18 @@ void setUp() throws Exception {
 	@Test
 	void test_WhenWeight0_tareIsCalled() {
 		setAllWeightsTo(0);
-		callAndCheckTimesCalled(2);
+		callAndCheckTimesCalled(0);
 	}
 
 	@Test
-	void test_WhenWeightMinus165_tareIsCalled() {
-		setAllWeightsTo(-165);
+	void test_WhenWeight4_tareIsCalled() {
+		setAllWeightsTo(4);
+		callAndCheckTimesCalled(0);
+	}
+
+	@Test
+	void test_WhenWeight5_tareIsCalled() {
+		setAllWeightsTo(5);
 		callAndCheckTimesCalled(2);
 	}
 
@@ -55,6 +61,24 @@ void test_WhenWeight65_tareIsCalled() {
 		callAndCheckTimesCalled(0);
 	}
 
+	@Test
+	void test_WhenWeightMinus4_tareIsCalled() {
+		setAllWeightsTo(-4);
+		callAndCheckTimesCalled(0);
+	}
+
+	@Test
+	void test_WhenWeightMinus5_tareIsCalled() {
+		setAllWeightsTo(-5);
+		callAndCheckTimesCalled(2);
+	}
+
+	@Test
+	void test_WhenWeightMinus165_tareIsCalled() {
+		setAllWeightsTo(-165);
+		callAndCheckTimesCalled(2);
+	}
+
 	private void setAllWeightsTo(int weight) {
 		boxService.getBoxes().stream()//
 				.forEach(b -> b.setWeight(weight));