diff --git a/3rdparty/CMakeLists.txt b/3rdparty/CMakeLists.txt
index d3928cb096..3d84d3f1f5 100644
--- a/3rdparty/CMakeLists.txt
+++ b/3rdparty/CMakeLists.txt
@@ -19,9 +19,9 @@ if (USE_SYSTEM_FLATBUFFERS)
 	pkg_check_modules(FLATBUFFERS REQUIRED IMPORTED_TARGET flatbuffers>=2.0.0)
 	target_link_libraries(3rdparty_flatbuffers INTERFACE PkgConfig::FLATBUFFERS)
 	set(FBS_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../rpcs3/Emu/NP/generated/")
-	execute_process(COMMAND "flatc --cpp -o ${FBS_DIR} ${FBS_DIR}/np2_structs.fbs" RESULT_VARIABLE FBS_CMD_ERROR)
+	execute_process(COMMAND flatc --cpp -o "${FBS_DIR}" "${FBS_DIR}/np2_structs.fbs" RESULT_VARIABLE FBS_CMD_ERROR)
 	if(FBS_CMD_ERROR AND NOT FBS_CMD_ERROR EQUAL 0)
-  		message(FATAL_ERROR "Flatbuffers flatc execute failed with: '${STATUS}'")
+		message(FATAL_ERROR "flatc failed to regenerate flatbuffers headers.")
 	endif()
 else()
 	target_include_directories(3rdparty_flatbuffers INTERFACE flatbuffers/include)