diff --git a/CMakeLists.txt b/CMakeLists.txt
index 416a272..ae2a2c8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,11 +36,11 @@ endif()
 
 if(UDPC_DISABLE_LIBSODIUM)
     message(STATUS "libsodium disabled")
-elseif(DEFINED LIBSODIUM_LIBRARIES AND DEFINED LIBSODIUM_INCLUDE_DIRS)
+elseif(DEFINED M_LIBSODIUM_LIBRARIES AND DEFINED M_LIBSODIUM_INCLUDE_DIRS)
     message(STATUS "libsodium manual paths detected, using them")
     target_compile_definitions(UDPC PUBLIC UDPC_LIBSODIUM_ENABLED)
-    target_link_libraries(UDPC PUBLIC ${LIBSODIUM_LIBRARIES})
-    target_include_directories(UDPC PUBLIC ${LIBSODIUM_INCLUDE_DIRS})
+    target_link_libraries(UDPC PUBLIC ${M_LIBSODIUM_LIBRARIES})
+    target_include_directories(UDPC PUBLIC ${M_LIBSODIUM_INCLUDE_DIRS})
 else()
     find_package(PkgConfig REQUIRED)
     pkg_check_modules(LIBSODIUM QUIET libsodium)