diff --git a/src/xSTIR/cSTIR/include/sirf/STIR/stir_x.h b/src/xSTIR/cSTIR/include/sirf/STIR/stir_x.h
index b2fad7266..c719e1b87 100644
--- a/src/xSTIR/cSTIR/include/sirf/STIR/stir_x.h
+++ b/src/xSTIR/cSTIR/include/sirf/STIR/stir_x.h
@@ -910,10 +910,12 @@ The actual algorithm is described in
         {
             stir::ScatterEstimation::set_mask_proj_data_sptr(arg->data());
         }
-		void set_recompute_mask_image(bool arg)
+#if STIR_VERSION >= 060200
+        void set_recompute_mask_image(bool arg)
         {
             stir::ScatterEstimation::set_recompute_mask_image(arg);
         }
+#endif
 
         //! Set prefix for filenames with scatter estimates.
         /*!