diff --git a/hstherac25.cabal b/hstherac25.cabal
index ea04a75..1f73cf7 100644
--- a/hstherac25.cabal
+++ b/hstherac25.cabal
@@ -76,7 +76,7 @@ foreign-library hstherac25
                       random >= 1.2.1.1,
                       stm
     other-modules:  HsTherac25
-    cxx-sources: cxxsrc/TheracSimulatorAdapter.cpp
+--    cxx-sources: cxxsrc/TheracSimulatorAdapter.cpp
 --    cxx-sources: cxxsrc/TheracSimulatorAdapter.hpp, cxxsrc/TheracSimulatorAdapter.cpp
 library
     -- Import common warning flags.