diff --git a/src/lua/lua_sql.m b/src/lua/lua_sql.cc
similarity index 100%
rename from src/lua/lua_sql.m
rename to src/lua/lua_sql.cc
diff --git a/src/lua/mysql.m b/src/lua/mysql.cc
similarity index 100%
rename from src/lua/mysql.m
rename to src/lua/mysql.cc
diff --git a/src/lua/pg.m b/src/lua/pg.cc
similarity index 100%
rename from src/lua/pg.m
rename to src/lua/pg.cc