diff --git a/core/base_rules.mk b/core/base_rules.mk
index 25564b285..02b04d67d 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -368,10 +368,11 @@ ifdef java_resource_file_groups
 	) \
     )
   # The arguments to jar that will include these files in a jar file.
+  # Quote the file name to handle special characters (such as #) correctly.
   extra_jar_args := \
     $(foreach group,$(java_resource_file_groups), \
-	$(addprefix -C $(word 1,$(subst :,$(space),$(group))) , \
-	    $(wordlist 2,9999,$(subst :,$(space),$(group))) \
+	$(addprefix -C "$(word 1,$(subst :,$(space),$(group)))" , \
+	    $(foreach w, $(wordlist 2,9999,$(subst :,$(space),$(group))), "$(w)" ) \
 	) \
     )
   java_resource_file_groups :=
diff --git a/core/definitions.mk b/core/definitions.mk
index 89db88ea9..925101742 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1576,7 +1576,9 @@ rm -f $(_adtp_classes.dex))
 endef
 
 define add-java-resources-to-package
-$(hide) jar uf $@ $(PRIVATE_EXTRA_JAR_ARGS)
+$(call dump-words-to-file, $(PRIVATE_EXTRA_JAR_ARGS), $(dir $@)jar-arg-list)
+$(hide) jar uf $@ @$(dir $@)jar-arg-list
+@rm -f $(dir $@)jar-arg-list
 endef
 
 # Sign a package using the specified key/cert.
@@ -1619,7 +1621,7 @@ endef
 define transform-host-java-to-package
 @echo "host Java: $(PRIVATE_MODULE) ($(PRIVATE_CLASS_INTERMEDIATES_DIR))"
 $(call compile-java,$(HOST_JAVAC),$(PRIVATE_BOOTCLASSPATH))
-$(hide) if [ ! -z "$(PRIVATE_EXTRA_JAR_ARGS)" ]; then jar uf $@ $(PRIVATE_EXTRA_JAR_ARGS); fi
+$(if $(PRIVATE_EXTRA_JAR_ARGS), $(call add-java-resources-to-package))
 endef
 
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