diff --git a/lib/brakeman/checks/check_link_to_href.rb b/lib/brakeman/checks/check_link_to_href.rb
index 109b4a9ef2b5668ffcc8da52d4ee3646c0a6b4d4..77c13c17fe7fff4d2ddee4f21285ccd6e7b8b95f 100644
--- a/lib/brakeman/checks/check_link_to_href.rb
+++ b/lib/brakeman/checks/check_link_to_href.rb
@@ -35,6 +35,7 @@ class Brakeman::CheckLinkToHref < Brakeman::CheckLinkTo
     call = result[:call] = result[:call].dup
     @matched = false
     url_arg = process call[3][2]
+    return if sexp?(url_arg) && url_arg.node_type == :string_interp && !url_arg[1].chomp.empty?
     type, match = has_immediate_user_input? url_arg
 
     if type