diff --git a/src/algorithms/telemetry_decoder/libs/viterbi_decoder.h b/src/algorithms/telemetry_decoder/libs/viterbi_decoder.h
index 4cd6d6885..f9b3249e5 100644
--- a/src/algorithms/telemetry_decoder/libs/viterbi_decoder.h
+++ b/src/algorithms/telemetry_decoder/libs/viterbi_decoder.h
@@ -33,6 +33,7 @@
 #define GNSS_SDR_VITERBI_DECODER_H_
 
 #include <deque>
+#include <cstdio>
 
 /*!
  * \brief Class that implements a Viterbi decoder