1 files changed, 3 insertions, 3 deletions
diff --git a/gr-digital/lib/costas_loop_cc_impl.h b/gr-digital/lib/costas_loop_cc_impl.h
index 87655a44cf..a216aaf0ff 100644
--- a/gr-digital/lib/costas_loop_cc_impl.h
+++ b/gr-digital/lib/costas_loop_cc_impl.h
@@ -32,7 +32,7 @@ namespace digital {
 class costas_loop_cc_impl : public costas_loop_cc
 {
 private:
-    const int d_order;
+    const unsigned int d_order;
     float d_error;
     float d_noise;
 
@@ -86,11 +86,11 @@ private:
     float phase_detector_snr_2(gr_complex sample) const; // for BPSK
 
     typedef float (costas_loop_cc_impl::*d_phase_detector_t)(gr_complex sample) const;
-    static d_phase_detector_t choose_phase_detector(int order, bool use_snr);
+    static d_phase_detector_t choose_phase_detector(unsigned int order, bool use_snr);
     const d_phase_detector_t d_phase_detector;
 
 public:
-    costas_loop_cc_impl(float loop_bw, int order, bool use_snr = false);
+    costas_loop_cc_impl(float loop_bw, unsigned int order, bool use_snr = false);
     ~costas_loop_cc_impl();
 
     float error() const;