diff --git a/CMakeLists.txt b/CMakeLists.txt
index a57aebad3..1272bc341 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1731,6 +1731,7 @@ endif()
 ##############################################
 if(ENABLE_PLUTOSDR OR ENABLE_FMCOMMS2)
     find_package(GRIIO)
+    find_package(LIBIIO)
 endif()