diff --git a/src/algorithms/PVT/adapters/CMakeLists.txt b/src/algorithms/PVT/adapters/CMakeLists.txt
index 8469cfba1..f2f8e4c0d 100644
--- a/src/algorithms/PVT/adapters/CMakeLists.txt
+++ b/src/algorithms/PVT/adapters/CMakeLists.txt
@@ -27,6 +27,7 @@ include_directories(
      ${CMAKE_SOURCE_DIR}/src/algorithms/PVT/libs
      ${ARMADILLO_INCLUDE_DIRS}
      ${GLOG_INCLUDE_DIRS}
+     ${GFlags_INCLUDE_DIRS}
      ${GNURADIO_RUNTIME_INCLUDE_DIRS}
 )
 
diff --git a/src/algorithms/PVT/gnuradio_blocks/CMakeLists.txt b/src/algorithms/PVT/gnuradio_blocks/CMakeLists.txt
index 95ef63c5e..fa0484b9c 100644
--- a/src/algorithms/PVT/gnuradio_blocks/CMakeLists.txt
+++ b/src/algorithms/PVT/gnuradio_blocks/CMakeLists.txt
@@ -26,6 +26,7 @@ include_directories(
      ${CMAKE_SOURCE_DIR}/src/algorithms/PVT/libs
      ${ARMADILLO_INCLUDE_DIRS}
      ${GLOG_INCLUDE_DIRS}
+     ${GFlags_INCLUDE_DIRS}
      ${GNURADIO_RUNTIME_INCLUDE_DIRS}
 )
 
diff --git a/src/algorithms/telemetry_decoder/adapters/CMakeLists.txt b/src/algorithms/telemetry_decoder/adapters/CMakeLists.txt
index df3cf5224..af4b0af67 100644
--- a/src/algorithms/telemetry_decoder/adapters/CMakeLists.txt
+++ b/src/algorithms/telemetry_decoder/adapters/CMakeLists.txt
@@ -26,6 +26,7 @@ include_directories(
      ${CMAKE_SOURCE_DIR}/src/algorithms/telemetry_decoder/gnuradio_blocks
      ${CMAKE_SOURCE_DIR}/src/algorithms/telemetry_decoder/libs
      ${GLOG_INCLUDE_DIRS}
+     ${GFlags_INCLUDE_DIRS}
      ${GNURADIO_RUNTIME_INCLUDE_DIRS}
 )
 
diff --git a/src/algorithms/telemetry_decoder/gnuradio_blocks/CMakeLists.txt b/src/algorithms/telemetry_decoder/gnuradio_blocks/CMakeLists.txt
index ba1b66664..1cee20770 100644
--- a/src/algorithms/telemetry_decoder/gnuradio_blocks/CMakeLists.txt
+++ b/src/algorithms/telemetry_decoder/gnuradio_blocks/CMakeLists.txt
@@ -27,6 +27,7 @@ include_directories(
      ${CMAKE_SOURCE_DIR}/src/core/receiver
      ${CMAKE_SOURCE_DIR}/src/algorithms/telemetry_decoder/libs
      ${GLOG_INCLUDE_DIRS}
+     ${GFlags_INCLUDE_DIRS}
      ${Boost_INCLUDE_DIRS}
 )