diff --git a/src/libs/utils/qtcprocess.cpp b/src/libs/utils/qtcprocess.cpp
index ed5c8c6cda3..3caf109358b 100644
--- a/src/libs/utils/qtcprocess.cpp
+++ b/src/libs/utils/qtcprocess.cpp
@@ -1315,7 +1315,7 @@ QString QtcProcess::locateBinary(const QString &binary)
     as this will cause event loop problems.
 */
 
-QString QtcProcess::exitMessage()
+QString QtcProcess::exitMessage() const
 {
     const QString fullCmd = commandLine().toUserOutput();
     switch (result()) {
diff --git a/src/libs/utils/qtcprocess.h b/src/libs/utils/qtcprocess.h
index d7a2dcb7fd3..cb019ef6b16 100644
--- a/src/libs/utils/qtcprocess.h
+++ b/src/libs/utils/qtcprocess.h
@@ -182,7 +182,7 @@ public:
 
     QByteArray rawStdOut() const;
 
-    QString exitMessage();
+    QString exitMessage() const;
 
     QString toStandaloneCommandLine() const;