diff --git a/docs/latex/wx/image.tex b/docs/latex/wx/image.tex
index 4986bf1c19..5f2dd48af5 100644
--- a/docs/latex/wx/image.tex
+++ b/docs/latex/wx/image.tex
@@ -911,7 +911,7 @@ Returns 'this' object.
 
 \membersection{wxImage::operator $==$}
 
-\func{bool}{operator $==$}{\param{const wxImage\& }{image}}
+\constfunc{bool}{operator $==$}{\param{const wxImage\& }{image}}
 
 Equality operator. This operator tests whether the internal data pointers are
 equal (a fast test).
@@ -926,7 +926,7 @@ Returns TRUE if the images were effectively equal, FALSE otherwise.
 
 \membersection{wxImage::operator $!=$}
 
-\func{bool}{operator $!=$}{\param{const wxImage\& }{image}}
+\constfunc{bool}{operator $!=$}{\param{const wxImage\& }{image}}
 
 Inequality operator. This operator tests whether the internal data pointers are
 unequal (a fast test).
diff --git a/include/wx/image.h b/include/wx/image.h
index 6d025c286b..e3b3de4258 100644
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -248,9 +248,9 @@ public:
         return *this;
     }
 
-    bool operator == (const wxImage& image)
+    bool operator == (const wxImage& image) const
         { return m_refData == image.m_refData; }
-    bool operator != (const wxImage& image)
+    bool operator != (const wxImage& image) const
         { return m_refData != image.m_refData; }
 
     static wxList& GetHandlers() { return sm_handlers; }