diff --git a/src/plugins/clangpchmanager/progressmanager.h b/src/plugins/clangpchmanager/progressmanager.h
index 0fdf94c2196..9dc9fc03664 100644
--- a/src/plugins/clangpchmanager/progressmanager.h
+++ b/src/plugins/clangpchmanager/progressmanager.h
@@ -52,9 +52,8 @@ public:
         if (!m_promise)
             initialize();
 
-        m_promise->setExpectedResultCount(maximumProgress);
-        if (m_promise->expectedResultCount() != maximumProgress)
-            m_promise->setExpectedResultCount(maximumProgress);
+        if (m_promise->progressMaximum() != maximumProgress)
+            m_promise->setProgressRange(0, maximumProgress);
         m_promise->setProgressValue(currentProgress);
 
         if (currentProgress >= maximumProgress)