diff --git a/src/libs/utils/aspects.cpp b/src/libs/utils/aspects.cpp
index 1b8f37a4efc..1e8ccbac71f 100644
--- a/src/libs/utils/aspects.cpp
+++ b/src/libs/utils/aspects.cpp
@@ -1305,6 +1305,7 @@ bool StringAspect::bufferToInternal()
     if (d->m_valueAcceptor) {
         if (const std::optional<QString> tmp = d->m_valueAcceptor(m_internal, m_buffer))
            return updateStorage(m_internal, *tmp);
+        return false;
     }
     return updateStorage(m_internal, m_buffer);
 }
@@ -1489,6 +1490,7 @@ bool FilePathAspect::bufferToInternal()
     if (d->m_valueAcceptor) {
         if (const std::optional<QString> tmp = d->m_valueAcceptor(m_internal, m_buffer))
            return updateStorage(m_internal, *tmp);
+        return false;
     }
     return updateStorage(m_internal, m_buffer);
 }