diff --git a/next.go b/next.go
index 3643374..a99ddcc 100644
--- a/next.go
+++ b/next.go
@@ -141,7 +141,7 @@ func isUnreachableYear(year string, ref time.Time, incl bool, reverse bool) bool
 		}
 		for _, part := range strings.Split(dashRe.ReplaceAllString(offset, ""), "-") {
 			val, err := strconv.Atoi(part)
-			if err != nil || (!reverse && val >= edge) || (reverse && val < edge) {
+			if err != nil || (!reverse && val >= edge) || (reverse && val <= edge) {
 				return false
 			}
 		}
diff --git a/next_test.go b/next_test.go
index a45591d..51a746c 100644
--- a/next_test.go
+++ b/next_test.go
@@ -72,3 +72,18 @@ func TestNextTickAfter(t *testing.T) {
 		}
 	})
 }
+
+// https://github.com/adhocore/gronx/issues/51
+func TestIsUnreachableYearCurrentYear(t *testing.T) {
+	now := time.Date(2024, time.November, 8, 22, 18, 16, 0, time.UTC)
+
+	cronExpr := "30 15 4 11 * 2024"
+	expectedTime := time.Date(2024, time.November, 4, 15, 30, 0, 0, time.UTC)
+	actualTime, err := PrevTickBefore(cronExpr, now, true)
+
+	if err != nil {
+		t.Errorf("got unexpected error: %s", err)
+	} else if !actualTime.Equal(expectedTime) {
+		t.Errorf("expected previous tick to be %v, got %v", expectedTime, actualTime)
+	}
+}