diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1206969025..073d74573a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -123,6 +123,20 @@ add_subdirectory(3rdparty)
 unset(CMAKE_CXX_FLAGS)
 unset(CMAKE_C_FLAGS)
 
+if (DISABLE_LTO)
+    if (CMAKE_C_FLAGS)
+        string(REGEX REPLACE "-flto[^ ]*" "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
+    endif()
+    if (CMAKE_CXX_FLAGS)
+        string(REGEX REPLACE "-flto[^ ]*" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+    endif()
+endif()
+
+string(FIND "${CMAKE_C_FLAGS} ${CMAKE_CXX_FLAGS}" "-flto" FOUND_LTO)
+if (NOT FOUND_LTO EQUAL -1)
+    message(FATAL_ERROR "Rpcs3 doesn't support building with LTO, use -DDISABLE_LTO=TRUE to force-disable it")
+endif()
+
 if(NOT WIN32)
     add_compile_options(-pthread)
 endif()