diff --git a/depends/cargo-checksum.sh b/depends/cargo-checksum.sh
index 0a104b706..535cc0bfd 100755
--- a/depends/cargo-checksum.sh
+++ b/depends/cargo-checksum.sh
@@ -10,4 +10,4 @@ sed 's|^|"|' |				#  'A":"H(A)' -> '"A":"H(A)'
 sed 's|$|"|' |				# '"A":"H(A)' -> '"A":"H(A)"'
 tr '\n' ',' |		# Concatenate lines with commas
 sed 's|,$||'		# Remove any trailing comma (to fit JSON spec)
-)},\"package\":\"$3\"}" > .cargo-checksum.json
+)},\"package\":$3}" > .cargo-checksum.json
diff --git a/depends/funcs.mk b/depends/funcs.mk
index a6f832c06..3d89de8a7 100644
--- a/depends/funcs.mk
+++ b/depends/funcs.mk
@@ -31,8 +31,11 @@ define fetch_file
 endef
 
 define generate_crate_checksum
-rm .gitignore && \
-$(BASEDIR)/cargo-checksum.sh "$($(1)_file_name)" "$(build_SHA256SUM)" "$($(1)_sha256_hash)"
+$(BASEDIR)/cargo-checksum.sh "$($(1)_file_name)" "$(build_SHA256SUM)" "\"$($(1)_sha256_hash)\""
+endef
+
+define generate_unpackaged_crate_checksum
+$(BASEDIR)/cargo-checksum.sh "$($(1)_file_name)" "$(build_SHA256SUM)" "null"
 endef
 
 define vendor_crate_source