diff --git a/firefox.spec b/firefox.spec
index f878efe..662d406 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -559,7 +559,7 @@ export MOZ_DEBUG_FLAGS=" "
 MOZ_LINK_FLAGS="-Wl,--no-keep-memory -Wl,--reduce-memory-overheads"
 %endif
 %endif
-%ifarch %{arm}
+%ifarch %{arm} %{ix86}
 export RUSTFLAGS="-Cdebuginfo=0"
 %endif
 export CFLAGS=$MOZ_OPT_FLAGS