diff --git a/src/algorithms/signal_source/gnuradio_blocks/gr_complex_ip_packet_source.h b/src/algorithms/signal_source/gnuradio_blocks/gr_complex_ip_packet_source.h
index 8807be5bb..ee915a662 100644
--- a/src/algorithms/signal_source/gnuradio_blocks/gr_complex_ip_packet_source.h
+++ b/src/algorithms/signal_source/gnuradio_blocks/gr_complex_ip_packet_source.h
@@ -30,8 +30,8 @@
  */
 
 
-#ifndef INCLUDED_GR_COMPLEX_IP_PACKET_SOURCE_H
-#define INCLUDED_GR_COMPLEX_IP_PACKET_SOURCE_H
+#ifndef GNSS_SDR_GR_COMPLEX_IP_PACKET_SOURCE_H
+#define GNSS_SDR_GR_COMPLEX_IP_PACKET_SOURCE_H
 
 #include <boost/thread.hpp>
 #include <gnuradio/sync_block.h>
@@ -112,4 +112,4 @@ public:
     bool stop();
 };
 
-#endif /* INCLUDED_GR_COMPLEX_IP_PACKET_SOURCE_H */
+#endif /* GNSS_SDR_GR_COMPLEX_IP_PACKET_SOURCE_H */
diff --git a/src/algorithms/signal_source/gnuradio_blocks/unpack_byte_4bit_samples.h b/src/algorithms/signal_source/gnuradio_blocks/unpack_byte_4bit_samples.h
index 2ee08145e..8b9ad7454 100644
--- a/src/algorithms/signal_source/gnuradio_blocks/unpack_byte_4bit_samples.h
+++ b/src/algorithms/signal_source/gnuradio_blocks/unpack_byte_4bit_samples.h
@@ -30,8 +30,8 @@
  * -------------------------------------------------------------------------
  */
 
-#ifndef GNSS_SDR_unpack_byte_4bit_samples_H
-#define GNSS_SDR_unpack_byte_4bit_samples_H
+#ifndef GNSS_SDR_UNPACK_BYTE_4BIT_SAMPLES_H
+#define GNSS_SDR_UNPACK_BYTE_4BIT_SAMPLES_H
 
 #include <gnuradio/sync_interpolator.h>