diff --git a/simgear/ephemeris/CMakeLists.txt b/simgear/ephemeris/CMakeLists.txt
index b1d21379..263d4399 100644
--- a/simgear/ephemeris/CMakeLists.txt
+++ b/simgear/ephemeris/CMakeLists.txt
@@ -32,4 +32,4 @@ set(SOURCES
     venus.cxx
     )
 
-simgear_component(ephemeris ephemeris "${SOURCES}" "${HEADERS}")
\ No newline at end of file
+simgear_component(ephem ephemeris "${SOURCES}" "${HEADERS}")