diff --git a/pkg/engine/jmespath/functions.go b/pkg/engine/jmespath/functions.go
index fe992f5d3b..801280e18d 100644
--- a/pkg/engine/jmespath/functions.go
+++ b/pkg/engine/jmespath/functions.go
@@ -612,6 +612,7 @@ func jpPathCanonicalize(arguments []interface{}) (interface{}, error) {
 
 func jpTruncate(arguments []interface{}) (interface{}, error) {
 	var err error
+	var normalizedLength float64
 	str, err := validateArg(truncate, arguments, 0, reflect.String)
 	if err != nil {
 		return nil, err
@@ -621,7 +622,13 @@ func jpTruncate(arguments []interface{}) (interface{}, error) {
 		return nil, err
 	}
 
-	return trunc.Truncator(str.String(), int(length.Float()), trunc.CutStrategy{}), nil
+	if length.Float() < 0 {
+		normalizedLength = float64(0)
+	} else {
+		normalizedLength = length.Float()
+	}
+
+	return trunc.Truncator(str.String(), int(normalizedLength), trunc.CutStrategy{}), nil
 }
 
 // InterfaceToString casts an interface to a string type
diff --git a/pkg/engine/jmespath/functions_test.go b/pkg/engine/jmespath/functions_test.go
index d74ea16534..b431595afe 100644
--- a/pkg/engine/jmespath/functions_test.go
+++ b/pkg/engine/jmespath/functions_test.go
@@ -995,6 +995,18 @@ func Test_Truncate(t *testing.T) {
 			jmesPath:       "truncate('Lorem ipsum ipsum ipsum dolor sit amet', `40`)",
 			expectedResult: "Lorem ipsum ipsum ipsum dolor sit amet",
 		},
+		{
+			jmesPath:       "truncate('Lorem ipsum', `2.6`)",
+			expectedResult: "Lo",
+		},
+		{
+			jmesPath:       "truncate('Lorem ipsum', `0`)",
+			expectedResult: "",
+		},
+		{
+			jmesPath:       "truncate('Lorem ipsum', `-1`)",
+			expectedResult: "",
+		},
 	}
 
 	for _, tc := range testCases {