diff --git a/src/shared/cplusplus/Symbol.cpp b/src/shared/cplusplus/Symbol.cpp
index c02a10f318b..68b19c54e97 100644
--- a/src/shared/cplusplus/Symbol.cpp
+++ b/src/shared/cplusplus/Symbol.cpp
@@ -247,13 +247,13 @@ StringLiteral *Symbol::fileId() const
     return fileId;
 }
 
-void Symbol::getPosition(unsigned *line, unsigned *column, StringLiteral **fileId)
+void Symbol::getPosition(unsigned *line, unsigned *column, StringLiteral **fileId) const
 { translationUnit()->getPosition(_sourceOffset, line, column, fileId); }
 
-void Symbol::getStartPosition(unsigned *line, unsigned *column, StringLiteral **fileId)
+void Symbol::getStartPosition(unsigned *line, unsigned *column, StringLiteral **fileId) const
 { translationUnit()->getPosition(_startOffset, line, column, fileId); }
 
-void Symbol::getEndPosition(unsigned *line, unsigned *column, StringLiteral **fileId)
+void Symbol::getEndPosition(unsigned *line, unsigned *column, StringLiteral **fileId) const
 { translationUnit()->getPosition(_endOffset, line, column, fileId); }
 
 const char *Symbol::fileName() const
diff --git a/src/shared/cplusplus/Symbol.h b/src/shared/cplusplus/Symbol.h
index ac8f0b11cab..4db5d297c29 100644
--- a/src/shared/cplusplus/Symbol.h
+++ b/src/shared/cplusplus/Symbol.h
@@ -115,9 +115,9 @@ public:
     unsigned endOffset() const;
     void setEndOffset(unsigned offset);
 
-    void getPosition(unsigned *line, unsigned *column = 0, StringLiteral **fileId = 0);
-    void getStartPosition(unsigned *line, unsigned *column = 0, StringLiteral **fileId = 0);
-    void getEndPosition(unsigned *line, unsigned *column = 0, StringLiteral **fileId = 0);
+    void getPosition(unsigned *line, unsigned *column = 0, StringLiteral **fileId = 0) const;
+    void getStartPosition(unsigned *line, unsigned *column = 0, StringLiteral **fileId = 0) const;
+    void getEndPosition(unsigned *line, unsigned *column = 0, StringLiteral **fileId = 0) const;
 
     /// Returns this Symbol's name.
     Name *name() const;