diff --git a/ChangeLog b/ChangeLog
index 4e8af8c7..2a079221 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -14,6 +14,7 @@
           (thanks to Aaron Curtis).
 - TI-20   Week number does not agree with Taskwarrior
           (thanks to Dirk Deimeke).
+- TI-22   The 'day' chart crashes if there is an open interval and no others
 - timew 0.9.5~alpha install bug
           (thanks to Gordon Ball).
 - Improved out-of-source build for themes, holidays
diff --git a/src/commands/CmdChart.cpp b/src/commands/CmdChart.cpp
index 592c09fa..30793a9d 100644
--- a/src/commands/CmdChart.cpp
+++ b/src/commands/CmdChart.cpp
@@ -265,8 +265,17 @@ static void determineHourRange (
         }
       }
 
-      first_hour = std::max (first_hour - 1, 0);
-      last_hour  = std::min (last_hour + 1, 23);
+      if (first_hour == 23 &&
+          last_hour == 0)
+      {
+        first_hour = Datetime ().hour ();
+        last_hour = std::min (first_hour + 1, 23);
+      }
+      else
+      {
+        first_hour = std::max (first_hour - 1, 0);
+        last_hour  = std::min (last_hour + 1, 23);
+      }
     }
 
     debug (format ("Day range is from {1}:00 - {2}:00", first_hour, last_hour));