diff --git a/Contrib/Makensisw/utils.cpp b/Contrib/Makensisw/utils.cpp
index a016c00c..4ff3b1a4 100644
--- a/Contrib/Makensisw/utils.cpp
+++ b/Contrib/Makensisw/utils.cpp
@@ -1125,3 +1125,10 @@ void DrawGripper(HWND hWnd, HDC hDC, const RECT&r)
     DrawFrameControl(hDC, const_cast<LPRECT>(&r), DFC_SCROLL, DFCS_SCROLLSIZEGRIP);
   }
 }
+
+bool RicheditHasSelection(HWND hRE)
+{
+  CHARRANGE tr;
+  SendMessage(hRE, EM_EXGETSEL, 0, (LPARAM) &tr);
+  return tr.cpMax - tr.cpMin <= 0 ? FALSE : TRUE;
+}
diff --git a/Contrib/Makensisw/utils.h b/Contrib/Makensisw/utils.h
index ee34c707..b90372a1 100644
--- a/Contrib/Makensisw/utils.h
+++ b/Contrib/Makensisw/utils.h
@@ -117,11 +117,6 @@ static inline void GetGripperPos(HWND hwnd, RECT&r)
   r.top = r.bottom - GetSystemMetrics(SM_CYVSCROLL);
 }
 
-static bool RicheditHasSelection(HWND hRE)
-{
-  CHARRANGE tr;
-  SendMessage(hRE, EM_EXGETSEL, 0, (LPARAM) &tr);
-  return tr.cpMax - tr.cpMin <= 0 ? FALSE : TRUE;
-}
+bool RicheditHasSelection(HWND hRE);
 
 #endif