diff --git a/src/meson.build b/src/meson.build
index 0c8de63..54a1899 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -3,6 +3,10 @@
 # SPDX-FileContributor: Written by Rachel Mant <git@dragonmux.network>
 cxx = meson.get_compiler('cpp')
 
+if get_option('b_lto') and host_machine.system() == 'darwin' and cxx.get_id() == 'gcc'
+	error('GCC on macOS does not correctly implement support for LTO, please pass `-Db_lto=false` to Meson')
+endif
+
 if cxx.get_id() == 'msvc' and cxx.version().version_compare('<19.37')
 	error('Your compiler is broken, please upgrade to at least MSVC 2022 release 17.7 to build bmpflash with MSVC.')
 endif