diff --git a/alib2str/src/string/string/CyclicString.cpp b/alib2str/src/string/string/CyclicString.cxx
similarity index 50%
rename from alib2str/src/string/string/CyclicString.cpp
rename to alib2str/src/string/string/CyclicString.cxx
index 19da0fb20d75ca866de73f908495d3f68361d43d..689b41f55339cbdaa325214d5afce8b1aa81d34d 100644
--- a/alib2str/src/string/string/CyclicString.cpp
+++ b/alib2str/src/string/string/CyclicString.cxx
@@ -12,7 +12,7 @@
 
 namespace {
 
-auto stringWrite = registration::StringWriterRegister < string::CyclicString < > > ( );
-auto stringReader = registration::StringReaderRegister < string::String, string::CyclicString < > > ( );
+auto stringWriteCyclicString = registration::StringWriterRegister < string::CyclicString < > > ( );
+auto stringReaderCyclicString = registration::StringReaderRegister < string::String, string::CyclicString < > > ( );
 
 } /* namespace */
diff --git a/alib2str/src/string/string/LinearString.cpp b/alib2str/src/string/string/LinearString.cxx
similarity index 50%
rename from alib2str/src/string/string/LinearString.cpp
rename to alib2str/src/string/string/LinearString.cxx
index 76a8a5f9ed88f6654cab6162cf8c77524a943cf3..961cad19fdc06784fba8eafac3939d402c252401 100644
--- a/alib2str/src/string/string/LinearString.cpp
+++ b/alib2str/src/string/string/LinearString.cxx
@@ -12,7 +12,7 @@
 
 namespace {
 
-auto stringWrite = registration::StringWriterRegister < string::LinearString < > > ( );
-auto stringReader = registration::StringReaderRegister < string::String, string::LinearString < > > ( );
+auto stringWriteLinearString = registration::StringWriterRegister < string::LinearString < > > ( );
+auto stringReaderLinearString = registration::StringReaderRegister < string::String, string::LinearString < > > ( );
 
 } /* namespace */
diff --git a/alib2str/src/string/string/String.cpp b/alib2str/src/string/string/String.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..492d67786887d325b7f1f53609db62b51d2a70e4
--- /dev/null
+++ b/alib2str/src/string/string/String.cpp
@@ -0,0 +1,2 @@
+#include "CyclicString.cxx"
+#include "LinearString.cxx"