diff --git a/CMakeLists.txt b/CMakeLists.txt
index 85bb700360..92da64c11d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -527,7 +527,7 @@ if(GTSAM_UNSTABLE_AVAILABLE)
     print_config_flag(${GTSAM_BUILD_UNSTABLE}          "Build libgtsam_unstable        ")
 endif()
 string(TOUPPER "${CMAKE_BUILD_TYPE}" cmake_build_type_toupper)
-print_config_flag(${GTSAM_BUILD_WITH_MARCH_NATIVE}     "Build for native architecture  ")
+print_config_flag("${GTSAM_BUILD_WITH_MARCH_NATIVE}"     "Build for native architecture  ")
 if(NOT MSVC AND NOT XCODE_VERSION)
     message(STATUS "  Build type                     : ${CMAKE_BUILD_TYPE}")
     message(STATUS "  C compilation flags            : ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${cmake_build_type_toupper}}")
diff --git a/gtsam/navigation/CombinedImuFactor.h b/gtsam/navigation/CombinedImuFactor.h
index a7802120c9..2ad71cb3cb 100644
--- a/gtsam/navigation/CombinedImuFactor.h
+++ b/gtsam/navigation/CombinedImuFactor.h
@@ -64,7 +64,7 @@ typedef ManifoldPreintegration PreintegrationType;
  *
  * @addtogroup SLAM
  */
-class PreintegratedCombinedMeasurements : public PreintegrationType {
+class GTSAM_EXPORT PreintegratedCombinedMeasurements : public PreintegrationType {
 
 public:
 
@@ -222,7 +222,7 @@ class PreintegratedCombinedMeasurements : public PreintegrationType {
  *
  * @addtogroup SLAM
  */
-class CombinedImuFactor: public NoiseModelFactor6<Pose3, Vector3, Pose3,
+class GTSAM_EXPORT CombinedImuFactor: public NoiseModelFactor6<Pose3, Vector3, Pose3,
     Vector3, imuBias::ConstantBias, imuBias::ConstantBias> {
 public:
 
diff --git a/gtsam/nonlinear/Values-inl.h b/gtsam/nonlinear/Values-inl.h
index 7e14578c39..ff220044a0 100644
--- a/gtsam/nonlinear/Values-inl.h
+++ b/gtsam/nonlinear/Values-inl.h
@@ -145,13 +145,13 @@ namespace gtsam {
                 boost::make_filter_iterator(filter,
                     ((const Values&) values).begin(),
                     ((const Values&) values).end()),
-                &ValuesCastHelper<const ValueType, ConstKeyValuePair,
+                &ValuesCastHelper<ValueType, ConstKeyValuePair,
                     Values::ConstKeyValuePair>::cast)), constEnd_(
             boost::make_transform_iterator(
                 boost::make_filter_iterator(filter,
                     ((const Values&) values).end(),
                     ((const Values&) values).end()),
-                &ValuesCastHelper<const ValueType, ConstKeyValuePair,
+                &ValuesCastHelper<ValueType, ConstKeyValuePair,
                     Values::ConstKeyValuePair>::cast)) {
     }