diff --git a/Source/CTest/cmCTestSVN.h b/Source/CTest/cmCTestSVN.h
index dbc7fdef64..a467ede28a 100644
--- a/Source/CTest/cmCTestSVN.h
+++ b/Source/CTest/cmCTestSVN.h
@@ -8,6 +8,7 @@
 #include "cmCTestGlobalVC.h"
 
 #include <iosfwd>
+#include <list>
 #include <string>
 #include <vector>
 
@@ -70,7 +71,8 @@ private:
   friend struct Revision;
 
   // Info of all the repositories (root, externals and nested ones).
-  std::vector<SVNInfo> Repositories;
+  // Use std::list so the elements don't move in memory.
+  std::list<SVNInfo> Repositories;
 
   // Pointer to the infos of the root repository.
   SVNInfo* RootInfo;