diff --git a/resources/addresses/ro.yaml b/resources/addresses/ro.yaml
index e151487b..bb3e7ff9 100644
--- a/resources/addresses/ro.yaml
+++ b/resources/addresses/ro.yaml
@@ -491,6 +491,9 @@ units:
         university:
             default: *sala
             probability: 0.9
+            alternatives:
+                - alternative: *birou
+                  probability: 0.1
             numeric_probability: 0.9 # e.g. Sala 1
             numeric_plus_alpha_probability: 0.01 # e.g. Sala 1A
             alpha_plus_numeric_probability: 0.01 # e.g. Sala A1