diff --git a/platform.in b/platform.in
index fa3921f..cff01e1 100644
--- a/platform.in
+++ b/platform.in
@@ -60,7 +60,7 @@
 %_smp_mflags -j%{_smp_build_ncpus}
 
 # Enable LTO optimization with a maximal parallelism
-%_lto_cflags -flto=%{_smp_build_ncpus}
+%_lto_cflags -flto=auto
 
 #==============================================================================
 # ---- Build policy macros.