diff --git a/build.sh b/build.sh
index 5d6e4df..6de14e8 100755
--- a/build.sh
+++ b/build.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 set -xe
+shopt -s globstar
 cd "$(dirname "$0")"
 source util/vars.sh
 
@@ -23,7 +24,7 @@ done
 
 export FFBUILD_PREFIX="$(docker run --rm "$IMAGE" bash -c 'echo $FFBUILD_PREFIX')"
 
-for script in scripts.d/*.sh; do
+for script in scripts.d/**/*.sh; do
     FF_CONFIGURE+=" $(get_output $script configure)"
     FF_CFLAGS+=" $(get_output $script cflags)"
     FF_CXXFLAGS+=" $(get_output $script cxxflags)"