2 files changed, 3 insertions, 0 deletions
diff --git a/gr-blocks/include/blocks/control_loop.h b/gr-blocks/include/blocks/control_loop.h
index e59429a1f..475b28f94 100644
--- a/gr-blocks/include/blocks/control_loop.h
+++ b/gr-blocks/include/blocks/control_loop.h
@@ -37,6 +37,7 @@ namespace gr {
       float d_alpha, d_beta;
 
     public:
+      control_loop(void) {}
       control_loop(float loop_bw, float max_freq, float min_freq);
       virtual ~control_loop();
 
diff --git a/gr-blocks/swig/blocks_swig.i b/gr-blocks/swig/blocks_swig.i
index 5e71bb000..974ee1e4b 100644
--- a/gr-blocks/swig/blocks_swig.i
+++ b/gr-blocks/swig/blocks_swig.i
@@ -64,6 +64,7 @@
 #include "blocks/complex_to_mag_squared.h"
 #include "blocks/complex_to_arg.h"
 #include "blocks/conjugate_cc.h"
+#include "blocks/control_loop.h"
 #include "blocks/deinterleave.h"
 #include "blocks/delay.h"
 #include "blocks/divide_ff.h"
@@ -220,6 +221,7 @@
 %include "blocks/complex_to_mag_squared.h"
 %include "blocks/complex_to_arg.h"
 %include "blocks/conjugate_cc.h"
+%include "blocks/control_loop.h"
 %include "blocks/deinterleave.h"
 %include "blocks/delay.h"
 %include "blocks/file_source.h"