diff --git a/pkg/ocm/validators.go b/pkg/ocm/validators.go
index 3656056b8f..637768f97a 100644
--- a/pkg/ocm/validators.go
+++ b/pkg/ocm/validators.go
@@ -68,8 +68,8 @@ func PercentageValidator(val interface{}) error {
 		return fmt.Errorf("Failed parsing '%v' into a floating-point number.", val)
 	}
 
-	if number > 1 || number < 0 {
-		return fmt.Errorf("Expecting a floating-point number between 0 and 1.")
+	if number >= 1 || number <= 0 {
+		return fmt.Errorf("Expecting a floating-point number greater than 0 and less than 1.")
 	}
 
 	return nil
diff --git a/pkg/ocm/validators_test.go b/pkg/ocm/validators_test.go
index 257e67576c..6856dbaf37 100644
--- a/pkg/ocm/validators_test.go
+++ b/pkg/ocm/validators_test.go
@@ -89,6 +89,14 @@ var _ = Describe("Input Validators", Ordered, func() {
 			Expect(PercentageValidator("-0.1")).ToNot(BeNil())
 		})
 
+		It("raises an error if got exactly 0", func() {
+			Expect(PercentageValidator("0")).ToNot(BeNil())
+		})
+
+		It("raises an error if got exactly 1", func() {
+			Expect(PercentageValidator("1")).ToNot(BeNil())
+		})
+
 		It("successfully parses a valid percentage value", func() {
 			Expect(PercentageValidator("0.4")).To(BeNil())
 		})