diff --git a/cmake/UnitTest.cmake b/cmake/UnitTest.cmake
index d2255df..207b25c 100644
--- a/cmake/UnitTest.cmake
+++ b/cmake/UnitTest.cmake
@@ -11,6 +11,7 @@
 #     CPICKER_COMMAND: command of the c-picker
 #     CPICKER_CACHE_PATH: root directory of the c-picker generate files
 #     UNIT_TEST_COMMON_SOURCES: common source files for every test build
+#     CLANG_LIBRARY_PATH: libclang directory for c-picker
 #   Modules
 #     CTest module should be included in the root CMakeLists.txt before calling this function
 
@@ -43,14 +44,18 @@
 
 			# Fetching referenced source files as the dependencies of the generated file
 			execute_process(
-				COMMAND ${CPICKER_COMMAND} --config ${TEST_SOURCE} --root ${TF_A_PATH} --print-dependencies
+				COMMAND
+					${CMAKE_COMMAND} -E env CLANG_LIBRARY_PATH=${CLANG_LIBRARY_PATH}
+					${CPICKER_COMMAND} --config ${TEST_SOURCE} --root ${TF_A_PATH} --print-dependencies
 				OUTPUT_VARIABLE CPICKER_DEPENDENCIES
 			)
 
 			# Adding custom command for invoking c-picker
 			add_custom_command(
 				OUTPUT ${CPICKER_OUTPUT}
-				COMMAND ${CPICKER_COMMAND} --config ${TEST_SOURCE} --root ${TF_A_PATH} > ${CPICKER_OUTPUT}
+				COMMAND
+					${CMAKE_COMMAND} -E env CLANG_LIBRARY_PATH=${CLANG_LIBRARY_PATH}
+					${CPICKER_COMMAND} --config ${TEST_SOURCE} --root ${TF_A_PATH} > ${CPICKER_OUTPUT}
 				DEPENDS ${TEST_SOURCE} ${CPICKER_DEPENDENCIES}
 				COMMENT "Generating c-picker output ${CPICKER_OUTPUT}"
 			)