diff --git a/lib/pry/command_processor.rb b/lib/pry/command_processor.rb
index 3adf18d0..92e541a5 100644
--- a/lib/pry/command_processor.rb
+++ b/lib/pry/command_processor.rb
@@ -63,7 +63,7 @@ class Pry
           begin
             interp_val = interpolate_string(val, target)
           rescue NameError
-            return nil
+            next
           end
 
           val.replace interp_val if command_regex =~ interp_val