--- a/src/CMakeLists.txt	Sat Jan 19 16:01:08 2019 +0100
+++ b/src/CMakeLists.txt	Sun Jan 20 01:02:40 2019 +0100
@@ -18,7 +18,7 @@
 
 # Relpipe libraries:
 INCLUDE(FindPkgConfig)
-pkg_check_modules (RELPIPE_LIBS relpipe-lib-reader.cpp relpipe-lib-writer.cpp relpipe-lib-cli.cpp)
+pkg_check_modules (RELPIPE_LIBS relpipe-lib-reader.cpp relpipe-lib-writer.cpp relpipe-lib-cli.cpp guile-2.2)
 include_directories(${RELPIPE_LIBS_INCLUDE_DIRS})
 link_directories(${RELPIPE_LIBS_LIBRARY_DIRS})