diff --git a/share/qtcreator/translations/qtcreator_cs.ts b/share/qtcreator/translations/qtcreator_cs.ts
index a3918e3b8a8..af044fa58dd 100644
--- a/share/qtcreator/translations/qtcreator_cs.ts
+++ b/share/qtcreator/translations/qtcreator_cs.ts
@@ -4406,7 +4406,7 @@ Chcete zastavit laděný proces a nahrát vybraný snímek?</translation>
         <translation>Editor formulářů</translation>
     </message>
     <message>
-        <source>The generated header of the form &apos;%1&apos; could be found.
+        <source>The generated header of the form &apos;%1&apos; could not be found.
 Rebuilding the project might help.</source>
         <translation>Automaticky vytvořený soubor hlavičky formuláře &apos;%1 se nepodařilo najít.
 Zkuste projekt vytvořit znovu.</translation>
diff --git a/share/qtcreator/translations/qtcreator_de.ts b/share/qtcreator/translations/qtcreator_de.ts
index f3dc93b3080..84e24deb7a8 100644
--- a/share/qtcreator/translations/qtcreator_de.ts
+++ b/share/qtcreator/translations/qtcreator_de.ts
@@ -4345,7 +4345,7 @@ Die Ausgabe-Hilfsbibliothek dient lediglich zur formatierten Ausgabe von Objekte
         <translation>Formulareditor</translation>
     </message>
     <message>
-        <source>The generated header of the form &apos;%1&apos; could be found.
+        <source>The generated header of the form &apos;%1&apos; could not be found.
 Rebuilding the project might help.</source>
         <translation>Die automatisch erstellte Header-Datei &apos;%1&apos; des Formulars konnte nicht gefunden werden.
 Versuchen Sie, das Projekt neu zu erstellen.</translation>
diff --git a/share/qtcreator/translations/qtcreator_fr.ts b/share/qtcreator/translations/qtcreator_fr.ts
index 021069680b2..23a5ae57256 100644
--- a/share/qtcreator/translations/qtcreator_fr.ts
+++ b/share/qtcreator/translations/qtcreator_fr.ts
@@ -6410,7 +6410,7 @@ Vous pouvez décider entre attendre plus longtemps ou mettre fin au débogage.</
     </message>
     <message>
         <location filename="../../../src/plugins/designer/codemodelhelpers.cpp" line="+129"/>
-        <source>The generated header of the form &apos;%1&apos; could be found.
+        <source>The generated header of the form &apos;%1&apos; could not be found.
 Rebuilding the project might help.</source>
         <translation type="unfinished">Impossible de trouver un en-tête généré pour l&apos;interface graphique %1.
 Regénérer le projet peut résoudre ce problème.</translation>
diff --git a/share/qtcreator/translations/qtcreator_ja.ts b/share/qtcreator/translations/qtcreator_ja.ts
index 75b7c05003c..0e377f35b37 100644
--- a/share/qtcreator/translations/qtcreator_ja.ts
+++ b/share/qtcreator/translations/qtcreator_ja.ts
@@ -4214,7 +4214,7 @@ Do you want to stop the debugged process and load the selected snapshot?</source
         <translation>フォーム エディタ</translation>
     </message>
     <message>
-        <source>The generated header of the form &apos;%1&apos; could be found.
+        <source>The generated header of the form &apos;%1&apos; could not be found.
 Rebuilding the project might help.</source>
         <translation>フォーム &apos;%1&apos; 向けに生成されたヘッダーが見つかりました。
 プロジェクトのリビルドをお奨めします。</translation>
diff --git a/share/qtcreator/translations/qtcreator_pl.ts b/share/qtcreator/translations/qtcreator_pl.ts
index 30478f7ecae..e5687b93366 100644
--- a/share/qtcreator/translations/qtcreator_pl.ts
+++ b/share/qtcreator/translations/qtcreator_pl.ts
@@ -9113,7 +9113,7 @@ Zaleca się użycie gdb wersji 7.1 lub późniejszej.</translation>
     </message>
     <message>
         <location filename="../../../src/plugins/designer/codemodelhelpers.cpp" line="+129"/>
-        <source>The generated header of the form &apos;%1&apos; could be found.
+        <source>The generated header of the form &apos;%1&apos; could not be found.
 Rebuilding the project might help.</source>
         <translation>Nie można odnaleźć wygenerowanego pliku nagłówkowego dla formularza &quot;%1&quot;.
 Spróbuj ponownie przebudować projekt.</translation>
diff --git a/share/qtcreator/translations/qtcreator_ru.ts b/share/qtcreator/translations/qtcreator_ru.ts
index 6f8eaa975e9..01293438fda 100644
--- a/share/qtcreator/translations/qtcreator_ru.ts
+++ b/share/qtcreator/translations/qtcreator_ru.ts
@@ -5190,7 +5190,7 @@ Do you want to stop the debugged process and load the selected snapshot?</source
         <translation>Редактор форм</translation>
     </message>
     <message>
-        <source>The generated header of the form &apos;%1&apos; could be found.
+        <source>The generated header of the form &apos;%1&apos; could not be found.
 Rebuilding the project might help.</source>
         <translation>Не удалось найти сгенерированный заголовочный файл для формы &quot;%1&quot;.
 Пересборка проекта может помочь.</translation>
diff --git a/share/qtcreator/translations/qtcreator_sl.ts b/share/qtcreator/translations/qtcreator_sl.ts
index 1b77745fad8..ce809f1e0dd 100644
--- a/share/qtcreator/translations/qtcreator_sl.ts
+++ b/share/qtcreator/translations/qtcreator_sl.ts
@@ -3696,7 +3696,7 @@ Ali želite ustaviti razhroščevani proces in naložiti izbrani posnetek?</tran
         <translation>Urejevalnik obrazcev</translation>
     </message>
     <message>
-        <source>The generated header of the form &apos;%1&apos; could be found.
+        <source>The generated header of the form &apos;%1&apos; could not be found.
 Rebuilding the project might help.</source>
         <translation>Ni bilo moč najti samodejno ustvarjene glave za obrazec »%1«.
 Morda lahko pomaga ponovna gradnja projekta.</translation>
diff --git a/src/plugins/designer/codemodelhelpers.cpp b/src/plugins/designer/codemodelhelpers.cpp
index 8f5199015cf..46ce1265ab3 100644
--- a/src/plugins/designer/codemodelhelpers.cpp
+++ b/src/plugins/designer/codemodelhelpers.cpp
@@ -126,7 +126,7 @@ bool navigateToSlot(const QString &uiFileName,
     // Find the generated header.
     const QString generatedHeaderFile = generatedHeaderOf(uiFileName);
     if (generatedHeaderFile.isEmpty()) {
-        *errorMessage = QCoreApplication::translate("Designer", "The generated header of the form '%1' could be found.\nRebuilding the project might help.").arg(uiFileName);
+        *errorMessage = QCoreApplication::translate("Designer", "The generated header of the form '%1' could not be found.\nRebuilding the project might help.").arg(uiFileName);
         return false;
     }
     const CPlusPlus::Snapshot snapshot = CppTools::CppModelManagerInterface::instance()->snapshot();