diff --git a/chromium.spec b/chromium.spec
index ba08b47..5a39f78 100644
--- a/chromium.spec
+++ b/chromium.spec
@@ -21,7 +21,7 @@
 
 # This flag is so I can build things very fast on a giant system.
 # Enabling this in koji causes aarch64 builds to timeout indefinitely.
-%global use_all_cpus 1
+%global use_all_cpus 0
 
 %if %{use_all_cpus}
 %global numjobs %{_smp_build_ncpus}