diff --git a/inc/freebusy-functions.php b/inc/freebusy-functions.php
index a782db5d..61af1d28 100644
--- a/inc/freebusy-functions.php
+++ b/inc/freebusy-functions.php
@@ -65,7 +65,7 @@ function get_freebusy( $path_match, $range_start, $range_end, $bin_privs = null
         $duration = ( !isset($duration) ? 'P1D' : $duration->Value());
         $end_date = clone($start_date);
         $end_date->modify( $duration );
-        if ( $end_date < $range_start || $start_date > $range_end ) continue;
+        if ( $end_date == $start_date || $end_date < $range_start || $start_date > $range_end ) continue;
         $thisfb = $start_date->UTC() .'/'. $end_date->UTC() . $extra;
         array_push( $fbtimes, $thisfb );
       }
diff --git a/testing/tests/regression-suite/0889-POST-freebusy.result b/testing/tests/regression-suite/0889-POST-freebusy.result
index 898ed536..d8510527 100644
--- a/testing/tests/regression-suite/0889-POST-freebusy.result
+++ b/testing/tests/regression-suite/0889-POST-freebusy.result
@@ -808,7 +808,6 @@ FREEBUSY:20071206T180000Z/20071207T040000Z
 FREEBUSY:20071206T220000Z/20071206T230000Z
 FREEBUSY:20071207T220000Z/20071207T230000Z
 FREEBUSY:20071208T220000Z/20071208T230000Z
-FREEBUSY:20071209T003000Z/20071209T003000Z
 FREEBUSY:20071209T180000Z/20071210T040000Z
 FREEBUSY:20071209T220000Z/20071209T230000Z
 FREEBUSY:20071210T180000Z/20071211T040000Z
@@ -1465,7 +1464,6 @@ FREEBUSY:20081118T180000Z/20081119T040000Z
 FREEBUSY:20081119T180000Z/20081120T040000Z
 FREEBUSY:20081119T184500Z/20081119T193000Z
 FREEBUSY:20081120T180000Z/20081121T040000Z
-FREEBUSY:20081121T160000Z/20081122T160000Z
 FREEBUSY:20081123T180000Z/20081124T040000Z
 FREEBUSY:20081124T180000Z/20081125T040000Z
 FREEBUSY:20081124T184500Z/20081124T193000Z