diff --git a/thunderbird.spec b/thunderbird.spec
index 14aa02b..0045c64 100644
--- a/thunderbird.spec
+++ b/thunderbird.spec
@@ -478,6 +478,10 @@ export LDFLAGS=$MOZ_LINK_FLAGS
 export PREFIX='%{_prefix}'
 export LIBDIR='%{_libdir}'
 
+%ifarch %{arm} %{ix86}
+export RUSTFLAGS="-Cdebuginfo=0"
+%endif
+
 %if 0%{?build_with_clang}
 export LLVM_PROFDATA="llvm-profdata"
 export AR="llvm-ar"