diff --git a/gtsam/CMakeLists.txt b/gtsam/CMakeLists.txt
index 82cdf2bad..11ec5510d 100644
--- a/gtsam/CMakeLists.txt
+++ b/gtsam/CMakeLists.txt
@@ -168,7 +168,7 @@ if(WIN32) # Add 'lib' prefix to static library to avoid filename collision with
 		set_target_properties(gtsam PROPERTIES
 			PREFIX ""
 			DEFINE_SYMBOL GTSAM_EXPORTS
-    RUNTIME_OUTPUT_DIRECTORY "${GTSAM_BINARY_DIR}/bin")
+			RUNTIME_OUTPUT_DIRECTORY "${GTSAM_BINARY_DIR}/bin")
 	endif()
 endif()
 
diff --git a/gtsam_unstable/CMakeLists.txt b/gtsam_unstable/CMakeLists.txt
index 53ba83fad..95e6c2293 100644
--- a/gtsam_unstable/CMakeLists.txt
+++ b/gtsam_unstable/CMakeLists.txt
@@ -98,6 +98,12 @@ if(WIN32) # Add 'lib' prefix to static library to avoid filename collision with
 	endif()
 endif()
 
+if (APPLE AND BUILD_SHARED_LIBS)
+	set_target_properties(gtsam_unstable PROPERTIES
+		INSTALL_NAME_DIR
+		"${CMAKE_INSTALL_PREFIX}/lib")
+endif()
+
 install(
 	TARGETS gtsam_unstable
 	EXPORT GTSAM-exports