diff --git a/build-tools/build-srpms-common.sh b/build-tools/build-srpms-common.sh
index a919cea2..02756b36 100644
--- a/build-tools/build-srpms-common.sh
+++ b/build-tools/build-srpms-common.sh
@@ -94,7 +94,7 @@ md5sums_from_input_vars () {
     fi
 
     # Remove $MY_REPO prefix from paths
-    cat $INPUT_FILES_SORTED | xargs md5sum | sed "s# $(readlink -f $MY_REPO)/# #"
+    cat $INPUT_FILES_SORTED | xargs -d '\n'  md5sum | sed "s# $(readlink -f $MY_REPO)/# #"
 
     if [ $TMP_FLAG -eq 0 ]; then
         \rm -f $INPUT_FILES_SORTED
diff --git a/build-tools/srpm-utils b/build-tools/srpm-utils
index 8160856b..14f8277d 100644
--- a/build-tools/srpm-utils
+++ b/build-tools/srpm-utils
@@ -3411,8 +3411,8 @@ srpm_source_file_list () {
     # Create lists of input files (INPUT_FILES) and symlinks (INPUT_LINKS).
     # First elements are absolute paths...
     while read path; do
-        find "${path}" -type f | grep -v -e '[/][.]git$' -e '[/][.]git[/]' >> $INPUT_FILES
-        find "${path}" -type l | grep -v -e '[/][.]git$' -e '[/][.]git[/]' >> $INPUT_LINKS
+        find "${path}" -type f | grep -v -e '[/][.]git$' -e '[/][.]git[/]'  -e '[/][.]tox[/]' >> $INPUT_FILES
+        find "${path}" -type l | grep -v -e '[/][.]git$' -e '[/][.]git[/]'  -e '[/][.]tox[/]' >> $INPUT_LINKS
     done < "${INPUT_SOURCES}"
 
     # Create sorted, unique list of canonical paths