diff --git a/cmake/DefaultBuildFlags.cmake b/cmake/DefaultBuildFlags.cmake
index 683767b3..ba18f8ed 100644
--- a/cmake/DefaultBuildFlags.cmake
+++ b/cmake/DefaultBuildFlags.cmake
@@ -7,3 +7,9 @@ endif()
 
 string(REPLACE "-O2" "-O3" CMAKE_C_FLAGS_RELEASE_INIT "${CMAKE_C_FLAGS_RELEASE_INIT}")
 string(REPLACE "-O2" "-O3" CMAKE_CXX_FLAGS_RELEASE_INIT "${CMAKE_CXX_FLAGS_RELEASE_INIT}")
+
+# Building with LTO causes an internal compiler error in GCC 15.1.0
+if (CMAKE_CXX_COMPILER_ID STREQUAL GNU AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 15.0 AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 15.1.1)
+	set(ENABLE_LTO_RELEASE OFF CACHE BOOL "Enable LTO for release builds" FORCE)
+	set(ENABLE_LTO OFF CACHE BOOL "Enable LTO" FORCE)
+endif()