diff --git a/core/ui/src/main/res/values/strings.xml b/core/ui/src/main/res/values/strings.xml
index ab131ced6f..2087b1df1c 100644
--- a/core/ui/src/main/res/values/strings.xml
+++ b/core/ui/src/main/res/values/strings.xml
@@ -436,6 +436,7 @@
     <string name="autotune_ic_warning">Selected profile has %1$d IC values. Autotune will use %2$.2f g/U</string>
     <string name="autotune_isf_warning">Selected profile has %1$d ISF values. Autotune will use %2$.1f %3$s/U</string>
     <string name="autotune_error">Error in input data, try to run again autotune or reduce the number of days</string>
+    <string name="autotune_error_more_days">Error in input data, increase the number of days</string>
     <string name="autotune_warning_during_run">Autotune calculation started, please be patient</string>
     <string name="autotune_warning_after_run">Check the results carefully before using it!</string>
     <string name="autotune_partial_result">Partial result day %1$d / %2$d tuned</string>
diff --git a/plugins/aps/src/main/java/info/nightscout/plugins/general/autotune/AutotunePlugin.kt b/plugins/aps/src/main/java/info/nightscout/plugins/general/autotune/AutotunePlugin.kt
index b38affb589..4c2b4ca94e 100644
--- a/plugins/aps/src/main/java/info/nightscout/plugins/general/autotune/AutotunePlugin.kt
+++ b/plugins/aps/src/main/java/info/nightscout/plugins/general/autotune/AutotunePlugin.kt
@@ -154,7 +154,7 @@ class AutotunePlugin @Inject constructor(
         autotuneFS.exportPumpProfile(pumpProfile)
 
         if (calcDays==0) {
-            result = rh.gs(R.string.autotune_error_more_days)
+            result = rh.gs(info.nightscout.core.ui.R.string.autotune_error_more_days)
             log(result)
             calculationRunning = false
             tunedProfile = null