diff --git a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/volk_gnsssdr_rank_archs.c b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/volk_gnsssdr_rank_archs.c
index 55df7bdc3..d1871426d 100644
--- a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/volk_gnsssdr_rank_archs.c
+++ b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/volk_gnsssdr_rank_archs.c
@@ -54,7 +54,7 @@ int volk_gnsssdr_get_index(
         }
     //TODO return -1;
     //something terrible should happen here
-    printf("Volk warning: no arch found, returning generic impl\n");
+    fprintf(stderr, "VOLK_GNSSSDR warning: no arch found, returning generic impl\n");
     return volk_gnsssdr_get_index(impl_names, n_impls, "generic"); //but we'll fake it for now
 }
 
diff --git a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/tmpl/volk_gnsssdr.tmpl.c b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/tmpl/volk_gnsssdr.tmpl.c
index c92e5c26f..c595e356d 100644
--- a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/tmpl/volk_gnsssdr.tmpl.c
+++ b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/tmpl/volk_gnsssdr.tmpl.c
@@ -50,7 +50,7 @@ struct volk_gnsssdr_machine *get_machine(void)
       }
     }
     machine = max_machine;
-    printf("Using Volk machine: %s\n", machine->name);
+    //printf("Using Volk machine: %s\n", machine->name);
     __alignment = machine->alignment;
     __alignment_mask = (intptr_t)(__alignment-1);
     return machine;