diff --git a/scripts/install-ruby b/scripts/install-ruby
index b08ff9d..15dedb2 100755
--- a/scripts/install-ruby
+++ b/scripts/install-ruby
@@ -55,6 +55,8 @@ if [[ -d "/patches/ruby/$RUBY_VERSION" ]]; then
 fi
 
 # Compile
+# This is needed for Ruby < 3.1 on Debian bullseye: https://bugs.ruby-lang.org/issues/18409
+export LDFLAGS="-Wl,--no-as-needed"
 cflags="-fno-omit-frame-pointer" ./configure --enable-shared --with-jemalloc --disable-install-doc --disable-install-rdoc --disable-install-capi
 make install -j $(nproc)