diff --git a/Findtrajectory.cmake b/Findtrajectory.cmake
index 3445df6783513208e0995b33feaa06401c656a5f..466b4655e2601a68165418843ff5246321e65744 100644
--- a/Findtrajectory.cmake
+++ b/Findtrajectory.cmake
@@ -3,7 +3,7 @@ FIND_PATH(trajectory_INCLUDE_DIR trajectory.h /usr/include/iri/trajectory /usr/l
 
 FIND_LIBRARY(trajectory_LIBRARY
     NAMES trajectory
-    PATHS /usr/lib/iri/trajectory /usr/local/lib /usr/local/lib/iri/trajectory)
+    PATHS /usr/lib /usr/lib/iri/trajectory /usr/local/lib /usr/local/lib/iri/trajectory)
 
 SET(trajectory_INCLUDE_DIRS ${trajectory_INCLUDE_DIR})
 SET(trajectory_LIBRARIES    ${trajectory_LIBRARY})