diff --git a/src/ctfindvar/ctfindvar.cpp b/src/ctfindvar/ctfindvar.cpp
index f667662..7f52650 100644
--- a/src/ctfindvar/ctfindvar.cpp
+++ b/src/ctfindvar/ctfindvar.cpp
@@ -35,9 +35,9 @@
 #include <sstream>
 
 /* __ OpenMP section _____________________________________________________ */
-//#ifdef _OPENMP
-//#include <omp.h>
-//#endif
+#ifdef _OPENMP
+#include <omp.h>
+#endif
 
 /* __ Method name definitions ____________________________________________ */
 #define G_FILL_CUBE                  "ctfindvar::fill_cube(GCTAObservation*)"