diff --git a/src/repetitive-interval.cpp b/src/repetitive-interval.cpp
index 2a441b5..a8104d1 100644
--- a/src/repetitive-interval.cpp
+++ b/src/repetitive-interval.cpp
@@ -258,17 +258,30 @@
 {
   if (m_startDate < interval.getStartDate())
     return true;
+  else if (m_startDate > interval.getStartDate())
+    return false;
+
   if (m_endDate < interval.getEndDate())
     return true;
+  else if (m_endDate > interval.getEndDate())
+    return false;
+
   if (m_intervalStartHour < interval.getIntervalStartHour())
     return true;
+  else if (m_intervalStartHour > interval.getIntervalStartHour())
+    return false;
+
   if (m_intervalEndHour < interval.getIntervalEndHour())
     return true;
+  else if (m_intervalEndHour > interval.getIntervalEndHour())
+    return false;
+
   if (m_nRepeats < interval.getNRepeats())
     return true;
-  if (static_cast<size_t>(m_unit) < static_cast<size_t>(interval.getRepeatUnit()))
-    return true;
-  return false;
+  else if (m_nRepeats > interval.getNRepeats())
+    return false;
+
+  return (static_cast<size_t>(m_unit) < static_cast<size_t>(interval.getRepeatUnit()));
 }
 
 } // namespace gep
diff --git a/tests/unit-tests/repetitive-interval.t.cpp b/tests/unit-tests/repetitive-interval.t.cpp
index 65ac8ae..51abdf8 100644
--- a/tests/unit-tests/repetitive-interval.t.cpp
+++ b/tests/unit-tests/repetitive-interval.t.cpp
@@ -200,6 +200,50 @@
   BOOST_CHECK(repetitiveInterval3.getRepeatUnit() == RepetitiveInterval::RepeatUnit::DAY);
 }
 
+static bool
+check(const RepetitiveInterval& small, const RepetitiveInterval& big)
+{
+  return  (small < big && !(big < small));
+}
+
+BOOST_AUTO_TEST_CASE(Comparison)
+{
+  BOOST_CHECK(check(RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 2, RepetitiveInterval::RepeatUnit::DAY),
+                    RepetitiveInterval(from_iso_string("20150826T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 2, RepetitiveInterval::RepeatUnit::DAY)));
+
+  BOOST_CHECK(check(RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 2, RepetitiveInterval::RepeatUnit::DAY),
+                    RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       6, 10, 2, RepetitiveInterval::RepeatUnit::DAY)));
+
+  BOOST_CHECK(check(RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 2, RepetitiveInterval::RepeatUnit::DAY),
+                    RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 11, 2, RepetitiveInterval::RepeatUnit::DAY)));
+
+  BOOST_CHECK(check(RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 2, RepetitiveInterval::RepeatUnit::DAY),
+                    RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 3, RepetitiveInterval::RepeatUnit::DAY)));
+
+  BOOST_CHECK(check(RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 2, RepetitiveInterval::RepeatUnit::DAY),
+                    RepetitiveInterval(from_iso_string("20150825T000000"),
+                                       from_iso_string("20150828T000000"),
+                                       5, 10, 2, RepetitiveInterval::RepeatUnit::MONTH)));
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 } // namespace tests
diff --git a/tests/unit-tests/schedule.t.cpp b/tests/unit-tests/schedule.t.cpp
index 0fb6c3f..61a974a 100644
--- a/tests/unit-tests/schedule.t.cpp
+++ b/tests/unit-tests/schedule.t.cpp
@@ -200,11 +200,11 @@
     0x87, 0x0f,
       0x32, 0x30, 0x31, 0x35, 0x30, 0x38, 0x32, 0x38, 0x54, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
     0x88, 0x01,
-      0x05,
+      0x06,
     0x89, 0x01,
-      0x0a,
+      0x08,
     0x8a, 0x01,
-      0x02,
+      0x01,
     0x8b, 0x01,
       0x01,
   /////
@@ -214,11 +214,11 @@
     0x87, 0x0f,
       0x32, 0x30, 0x31, 0x35, 0x30, 0x38, 0x32, 0x38, 0x54, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
     0x88, 0x01,
-      0x06,
+      0x05,
     0x89, 0x01,
-      0x08,
+      0x0a,
     0x8a, 0x01,
-      0x01,
+      0x02,
     0x8b, 0x01,
       0x01,
   /////