diff --git a/FSCalendar/FSCalendarAnimator.m b/FSCalendar/FSCalendarAnimator.m
index 9a1f320..5e2a897 100644
--- a/FSCalendar/FSCalendarAnimator.m
+++ b/FSCalendar/FSCalendarAnimator.m
@@ -152,7 +152,6 @@
                     [UIView setAnimationDuration:duration];
                     self.collectionView.fs_top = -focusedRowNumber*self.calendar.preferredRowHeight;
                     self.calendar.bottomBorder.fs_top = CGRectGetMaxY(targetBounds);
-                    NSLog(@"%f",CGRectGetMaxY(targetBounds));
                     if ([self.calendar.delegate respondsToSelector:@selector(calendar:boundingRectWillChange:animated:)]) {
                         [self.calendar.delegate calendar:self.calendar boundingRectWillChange:targetBounds animated:animated];
                     } else {
diff --git a/FSCalendar/FSCalendarFlowLayout.m b/FSCalendar/FSCalendarFlowLayout.m
index 2409542..d0100b3 100644
--- a/FSCalendar/FSCalendarFlowLayout.m
+++ b/FSCalendar/FSCalendarFlowLayout.m
@@ -31,7 +31,8 @@
 {
     [super prepareLayout];
     
-    CGFloat rowHeight = self.calendar.preferredRowHeight;
+    // Round to nearest multiple of 0.5. e.g. (16.8->16.5), (16.2->16.0)
+    CGFloat rowHeight = FSCalendarFloor(self.calendar.preferredRowHeight*2)*0.5;
     
     if (!self.calendar.floatingMode) {
         
diff --git a/FSCalendar/FSCalendarHeader.m b/FSCalendar/FSCalendarHeader.m
index 053b42e..4e2d7a4 100644
--- a/FSCalendar/FSCalendarHeader.m
+++ b/FSCalendar/FSCalendarHeader.m
@@ -294,7 +294,7 @@
 
 - (void)invalidateHeaderFont
 {
-    _titleLabel.font = self.header.appearance.headerTitleFont;
+    _titleLabel.font = self.header.appearance.preferredHeaderTitleFont;
 }
 
 - (void)invalidateHeaderTextColor