diff -r e2485421fc14 -r 0c7b3bb73517 extra/soundsoftware/convert-external-repos.rb
--- a/extra/soundsoftware/convert-external-repos.rb
+++ b/extra/soundsoftware/convert-external-repos.rb
@@ -146,7 +146,7 @@
   if project.identifier.empty?
     log("\tno identifier for project #{project.name}")
     next
-  elsif not project.identifier.match(/^[a-z0-9\-]+$/)
+  elsif not project.identifier.match(/^[a-z0-9_\-]+$/)
     log("\tinvalid identifier for project #{project.name} : #{project.identifier}");
     next
   end
diff -r e2485421fc14 -r 0c7b3bb73517 extra/soundsoftware/reposman-soundsoftware.rb
--- a/extra/soundsoftware/reposman-soundsoftware.rb
+++ b/extra/soundsoftware/reposman-soundsoftware.rb
@@ -263,7 +263,7 @@
   if project.identifier.empty?
     log("\tno identifier for project #{project.name}!")
     next
-  elsif not project.identifier.match(/^[a-z0-9\-_]+$/)
+  elsif not project.identifier.match(/^[a-z0-9_\-]+$/)
     log("\tinvalid identifier for project #{project.name} : #{project.identifier}!");
     next;
   end