diff --git a/package.json b/package.json
index 3bd236e..e13f68a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "doomsday",
-    "version": "1.5.0",
+    "version": "1.5.1",
     "description": "Test your mastery of Conway's Doomsday rule.",
     "author": "Florine W. Dekker",
     "browser": "dist/bundle.js",
diff --git a/src/main/js/Main.ts b/src/main/js/Main.ts
index e29cd2e..53299d7 100644
--- a/src/main/js/Main.ts
+++ b/src/main/js/Main.ts
@@ -347,6 +347,8 @@ doAfterLoad(() => {
         onToggle(isOpened: boolean): void {
             super.onToggle(isOpened);
             if (isOpened) centuryInput.selectInput();
+            else if (yearDetails.isOpened()) yearInput.selectInput();
+            else if (dayDetails.isOpened()) dayInput.selectInput();
             centuryInput.updateTitle();
         }
     }("century", $("#century-details"));
@@ -354,6 +356,8 @@ doAfterLoad(() => {
         onToggle(isOpened: boolean): void {
             super.onToggle(isOpened);
             if (isOpened) yearInput.selectInput();
+            else if (dayDetails.isOpened()) dayInput.selectInput();
+            else if (centuryDetails.isOpened()) centuryInput.selectInput();
             yearInput.updateTitle();
         }
     }("year", $("#year-details"));
@@ -361,6 +365,8 @@ doAfterLoad(() => {
         onToggle(isOpened: boolean): void {
             super.onToggle(isOpened);
             if (isOpened) dayInput.selectInput();
+            else if (centuryDetails.isOpened()) centuryInput.selectInput();
+            else if (yearDetails.isOpened()) yearInput.selectInput();
             dayInput.updateTitle();
         }
     }("day", $("#day-details"));
@@ -384,10 +390,6 @@ doAfterLoad(() => {
                 resetButton.focus();
         }
 
-        onInvalidInput() {
-            // Do nothing
-        }
-
         updateTitle() {
             if (centuryDetails.isOpened())
                 this.titleLabel.innerText = `Anchor day of century starting in ${quizDate.getCentury() * 100}?`;
@@ -412,10 +414,6 @@ doAfterLoad(() => {
                 resetButton.focus();
         }
 
-        onInvalidInput() {
-            // Do nothing
-        }
-
         updateTitle() {
             if (yearDetails.isOpened())
                 this.titleLabel.innerText = `Doomsday of year ${quizDate.date.year}?`;
@@ -437,10 +435,6 @@ doAfterLoad(() => {
             resetButton.focus();
         }
 
-        onInvalidInput() {
-            // Do nothing
-        }
-
         updateTitle() {
             if (dayDetails.isOpened())
                 this.titleLabel.innerText = `Weekday of ${quizDate.date.toISODate()}?`;