diff --git a/cmake/target/impl.cmake b/cmake/target/impl.cmake
index 59169f09c5..36e0fb8f4c 100644
--- a/cmake/target/impl.cmake
+++ b/cmake/target/impl.cmake
@@ -37,7 +37,8 @@ function(add_module_target MODULE_NAME TARGET_NAME AC_INPUTS SOURCE_FILES AC_OUT
     add_custom_target("${TARGET_NAME}" 
       COMMAND ${CMAKE_COMMAND} -E chdir ${CMAKE_CURRENT_SOURCE_DIR}
       ${CMAKE_COMMAND} -E env PYTHONPATH=${PYTHON_AUTOCODER_DIR}/src:${PYTHON_AUTOCODER_DIR}/utils BUILD_ROOT="${FPRIME_BUILD_LOCATIONS_SEP}"
-      PYTHON_AUTOCODER_DIR=${PYTHON_AUTOCODER_DIR}
+      FPRIME_AC_CONSTANTS_FILE="${FPRIME_AC_CONSTANTS_FILE}"
+      PYTHON_AUTOCODER_DIR=${PYTHON_AUTOCODER_DIR} DICTIONARY_DIR=${DICTIONARY_DIR}
       ${FPRIME_FRAMEWORK_PATH}/Autocoders/Python/bin/implgen.py ${AI_XML}
       DEPENDS ${AI_XML}
     )
diff --git a/cmake/target/testimpl.cmake b/cmake/target/testimpl.cmake
index 3c4b9a8f02..ff85dfa353 100644
--- a/cmake/target/testimpl.cmake
+++ b/cmake/target/testimpl.cmake
@@ -37,7 +37,8 @@ function(add_module_target MODULE_NAME TARGET_NAME AC_INPUTS SOURCE_FILES AC_OUT
     add_custom_target("${TARGET_NAME}" 
       COMMAND ${CMAKE_COMMAND} -E chdir ${CMAKE_CURRENT_SOURCE_DIR}
       ${CMAKE_COMMAND} -E env PYTHONPATH=${PYTHON_AUTOCODER_DIR}/src:${PYTHON_AUTOCODER_DIR}/utils BUILD_ROOT="${FPRIME_BUILD_LOCATIONS_SEP}"
-      PYTHON_AUTOCODER_DIR=${PYTHON_AUTOCODER_DIR}
+      FPRIME_AC_CONSTANTS_FILE="${FPRIME_AC_CONSTANTS_FILE}"
+      PYTHON_AUTOCODER_DIR=${PYTHON_AUTOCODER_DIR} DICTIONARY_DIR=${DICTIONARY_DIR}
       ${FPRIME_FRAMEWORK_PATH}/Autocoders/Python/bin/testgen.py ${AI_XML}
       DEPENDS ${AI_XML}
     )