diff --git a/stimBuffApis/livoxGen1/CMakeLists.txt b/stimBuffApis/livoxGen1/CMakeLists.txt
index bfc777d..e1ad253 100644
--- a/stimBuffApis/livoxGen1/CMakeLists.txt
+++ b/stimBuffApis/livoxGen1/CMakeLists.txt
@@ -27,7 +27,12 @@ if(ENABLE_STIMBUFFAPI_livoxGen1)
 		# Fall back to pkg-config
 		pkg_check_modules(OPENCL OpenCL)
 		if(NOT OPENCL_FOUND)
-			message(FATAL_ERROR "Failed to find OpenCL: both find_package and pkg_check_modules failed")
+			message(FATAL_ERROR
+				"Failed to find OpenCL: both find_package and "
+				"pkg_check_modules failed. Try installing the "
+				"'ocl-icd-opencl-dev' package (or the appropriate "
+				"OpenCL development package for your system)."
+			)
 		endif()
 		message(STATUS "Found OpenCL using pkg-config")
 	endif()