diff --git a/whipper/common/program.py b/whipper/common/program.py
index e078766..0659b56 100644
--- a/whipper/common/program.py
+++ b/whipper/common/program.py
@@ -362,7 +362,8 @@ class Program:
                     print("\nPlease select a release. You only need to match "
                           "the last few characters.")
                     release = input(
-                        "With no input the release will be [%s]: " % guess)
+                        "With no input the release will be [%s]: " %
+                        guess).lower()
 
                     if not release:
                         release = guess