diff --git a/gtsam_unstable/CMakeLists.txt b/gtsam_unstable/CMakeLists.txt
index acd36ddc2..8d9cd6542 100644
--- a/gtsam_unstable/CMakeLists.txt
+++ b/gtsam_unstable/CMakeLists.txt
@@ -92,7 +92,7 @@ if (GTSAM_BUILD_WRAP)
     endif()
     
     # Generate, build and install toolbox
-    set(mexFlags "-I${Boost_INCLUDE_DIR} -I${MEX_INCLUDE_ROOT} -I${MEX_INCLUDE_ROOT}/gtsam_unstable -I${MEX_INCLUDE_ROOT}/gtsam_unstable/dynamics -I${MEX_INCLUDE_ROOT}/gtsam_unstable/discrete -L${GTSAM_UNSTABLE_LIB_DIR} -L${GTSAM_LIB_DIR} -lgtsam -lgtsam_unstable")
+    set(mexFlags -I${Boost_INCLUDE_DIR} -I${MEX_INCLUDE_ROOT} -I${MEX_INCLUDE_ROOT}/gtsam_unstable -I${MEX_INCLUDE_ROOT}/gtsam_unstable/dynamics -I${MEX_INCLUDE_ROOT}/gtsam_unstable/discrete)
     
     # Macro to handle details of setting up targets
     wrap_library(gtsam_unstable "${mexFlags}" "./")