diff --git a/grc/gen_osmosdr_blocks.py b/grc/gen_osmosdr_blocks.py
index 07d9d79..c002508 100644
--- a/grc/gen_osmosdr_blocks.py
+++ b/grc/gen_osmosdr_blocks.py
@@ -250,7 +250,7 @@ Lines ending with ... mean it's possible to bind devices together by specifying
   netsdr=127.0.0.1[:50000][,nchan=2]
   sdr-ip=127.0.0.1[:50000]
   sdr-iq=/dev/ttyUSB0
-  airspy=0
+  airspy=0[,bias=0|1]
 #end if
   hackrf=0[,buffers=32]
   bladerf=0[,fpga='/path/to/the/bitstream.rbf']
diff --git a/lib/airspy/airspy_source_c.cc b/lib/airspy/airspy_source_c.cc
index 2bfef77..bc33fed 100644
--- a/lib/airspy/airspy_source_c.cc
+++ b/lib/airspy/airspy_source_c.cc
@@ -123,6 +123,13 @@ airspy_source_c::airspy_source_c (const std::string &args)
 
   set_if_gain( 0 ); /* preset to a reasonable default (non-GRC use case) */
 
+  if ( dict.count( "bias" ) )
+  {
+    bool bias = boost::lexical_cast<bool>( dict["bias"] );
+    int ret = airspy_set_rf_bias(_dev, (uint8_t)bias);
+    AIRSPY_THROW_ON_ERROR(ret, "Failed to enable DC bias")
+  }
+
   _fifo = new boost::circular_buffer<gr_complex>(5000000);
   if (!_fifo) {
     throw std::runtime_error( std::string(__FUNCTION__) + " " +