diff --git a/plugins/channelrx/wdsprx/CMakeLists.txt b/plugins/channelrx/wdsprx/CMakeLists.txt
index bd0e99220..0903740d1 100644
--- a/plugins/channelrx/wdsprx/CMakeLists.txt
+++ b/plugins/channelrx/wdsprx/CMakeLists.txt
@@ -21,6 +21,7 @@ set(wdsprx_HEADERS
 include_directories(
     ${CMAKE_SOURCE_DIR}/swagger/sdrangel/code/qt5/client
     ${CMAKE_SOURCE_DIR}/wdsp
+    ${FFTW3F_INCLUDE_DIRS}
 )
 
 if(NOT SERVER_MODE)