diff --git a/share/qtcreator/translations/qtcreator_cs.ts b/share/qtcreator/translations/qtcreator_cs.ts
index a3918e3b8a8731061d4c74aded33435d06d2570e..af044fa58ddc3181457dec87c9343ec28d7ca93f 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 f3dc93b3080ac82fb39444449c24c19fe9ebd0be..84e24deb7a85bbf5afb8ec0d5af1b41c7eb0b8a4 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 021069680b205b3371b6c55f3aabfaf7b1c68c80..23a5ae57256cf1c7c8820bedd6378d61546a1efe 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 75b7c05003c349e1fe308804f6a5bd417e118f09..0e377f35b37c71f8d4c0b61f5ed92e03fbee1c34 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 30478f7ecae05f11d19b2ac8dfb0407a25782215..e5687b93366666cfb54c6feb0a81b1f74acb9bff 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 6f8eaa975e98840fd20f27168b4cf6a165358a16..01293438fdaecb4b307ab708b9f93141c33f5833 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 1b77745fad8527425b883d7540fd5efa9ccfc75e..ce809f1e0ddfe074d9c191724228d9b65f75de5e 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 8f5199015cf0f4e9c5fbeae67cfd4c611978212e..46ce1265ab3d4aa280431c0ec3d5e1968cd042c7 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();