diff --git a/package/dropbear/Config.in b/package/dropbear/Config.in
index 62f77bad9d..e14a670c19 100644
--- a/package/dropbear/Config.in
+++ b/package/dropbear/Config.in
@@ -66,4 +66,11 @@ config BR2_PACKAGE_DROPBEAR_LEGACY_CRYPTO
 	    DSA public keys
 	    Diffie-Hellman Group1 key exchange
 
+config BR2_PACKAGE_DROPBEAR_LOCALOPTIONS_FILE
+	string "path to custom localoptions.h definitions file"
+	help
+	  Path to a file whose contents will be appended to Dropbear
+	  localoptions.h. It can be used to tweak the Dropbear
+	  configuration.
+
 endif
diff --git a/package/dropbear/dropbear.mk b/package/dropbear/dropbear.mk
index e10c851606..185f8c4341 100644
--- a/package/dropbear/dropbear.mk
+++ b/package/dropbear/dropbear.mk
@@ -124,6 +124,14 @@ ifneq ($(BR2_PACKAGE_DROPBEAR_LASTLOG),y)
 DROPBEAR_CONF_OPTS += --disable-lastlog
 endif
 
+DROPBEAR_LOCALOPTIONS_FILE = $(call qstrip,$(BR2_PACKAGE_DROPBEAR_LOCALOPTIONS_FILE))
+ifneq ($(DROPBEAR_LOCALOPTIONS_FILE),)
+define DROPBEAR_APPEND_LOCALOPTIONS_FILE
+	cat $(DROPBEAR_LOCALOPTIONS_FILE) >> $(@D)/localoptions.h
+endef
+DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_APPEND_LOCALOPTIONS_FILE
+endif
+
 define DROPBEAR_INSTALL_TARGET_CMDS
 	$(INSTALL) -m 755 $(@D)/dropbearmulti $(TARGET_DIR)/usr/sbin/dropbear
 	for f in $(DROPBEAR_TARGET_BINS); do \