diff --git a/app/src/main/java/info/nightscout/androidaps/utils/DateUtil.java b/app/src/main/java/info/nightscout/androidaps/utils/DateUtil.java
index 4b19c6d114..951ed08407 100644
--- a/app/src/main/java/info/nightscout/androidaps/utils/DateUtil.java
+++ b/app/src/main/java/info/nightscout/androidaps/utils/DateUtil.java
@@ -223,13 +223,13 @@ public class DateUtil {
                 t = t / 60;
                 if (t != 1) unit = MainApp.gs(R.string.unit_hours);
                 if (t > 24) {
-                    unit = MainApp.gs(R.string.unit_day);
+                    unit = MainApp.gs(R.string.unit_day) + "\"";
                     t = t / 24;
-                    if (t != 1) unit = MainApp.gs(R.string.unit_days);
+                    if (t != 1) unit = MainApp.gs(R.string.unit_days) + "\"";
                     if (t > 28) {
-                        unit = MainApp.gs(R.string.unit_week);
+                        unit = MainApp.gs(R.string.unit_week) + "\"";
                         t = t / 7;
-                        if (t != 1) unit = MainApp.gs(R.string.unit_weeks);
+                        if (t != 1) unit = MainApp.gs(R.string.unit_weeks) + "\"";
                     }
                 }
             }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 5e65be2532..7c3841210b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1320,13 +1320,13 @@
     <string name="unit_second">second</string>
     <string name="unit_minute">minute</string>
     <string name="unit_hour">hour</string>
-    <string name="unit_day">day"</string>
-    <string name="unit_week">week"</string>
+    <string name="unit_day">day</string>
+    <string name="unit_week">week</string>
     <string name="unit_seconds">seconds</string>
     <string name="unit_minutes">minutes</string>
     <string name="unit_hours">hours</string>
-    <string name="unit_days">days"</string>
-    <string name="unit_weeks">weeks"</string>
+    <string name="unit_days">days</string>
+    <string name="unit_weeks">weeks</string>
     <string name="key_tidepool_username" translatable="false">tidepool_username</string>
     <string name="key_tidepool_password" translatable="false">tidepool_password</string>
     <string name="key_tidepool_dev_servers" translatable="false">tidepool_dev_servers</string>