diff --git a/app/resources/results/Results.jl b/app/resources/results/Results.jl
index 44b0b4b..4a0bae4 100644
--- a/app/resources/results/Results.jl
+++ b/app/resources/results/Results.jl
@@ -86,14 +86,15 @@ function response(survey::SurveyID, response::ResponseID; cache::Bool=true)
                            qid => Answer{anstype}(value, nothing)
                        end)
         metadata = SearchLight.query(
-            "SELECT started, completed, page \
+            "SELECT exip, started, completed, page \
              FROM responses WHERE survey=$survey AND id=$response")
+        exip = UInt32(metadata.exip[1])
         started = parse(DateTime, metadata.started[1])
         completed = if !ismissing(metadata.completed[1])
             parse(DateTime, metadata.completed[1]) end
         RESPONSES[survey][response] =
-            Response(survey, response, metadata.page[1], answers,
-                     started, completed)
+            Response(survey, response, exip, metadata.page[1],
+                     answers, started, completed)
     end
     RESPONSES[survey][response]
 end
diff --git a/app/resources/surveys/SurveysController.jl b/app/resources/surveys/SurveysController.jl
index 0b4233d..99bed52 100644
--- a/app/resources/surveys/SurveysController.jl
+++ b/app/resources/surveys/SurveysController.jl
@@ -40,10 +40,13 @@ function new()
         @info "client ip: $ip"
         xor(reinterpret(UInt32, Genie.Encryption.encrypt(rand(UInt8, 4)) |> hex2bytes)...)
     end
-    r = Surveys.Response(SURVEY, vcat(responseids(SURVEY),
-                                      Vector{Surveys.ResponseID}(keys(INPROGRESS) |> collect)))
+    exip = encrypted_xord_ip()
+    r = Surveys.Response(SURVEY,
+                         vcat(responseids(SURVEY),
+                              Vector{Surveys.ResponseID}(keys(INPROGRESS) |> collect));
+                         exip)
     INPROGRESS[r.id] = r
-    register!(r, encrypted_xord_ip())
+    register!(r, exip)
     uid_str = string(r.id, base=UID_ENCBASE)
     Genie.Renderer.redirect(HTTP.URIs.URI(currenturl()).path * "?uid=$uid_str&page=1")
 end
diff --git a/lib/Surveys.jl b/lib/Surveys.jl
index dcfb8c2..4170788 100644
--- a/lib/Surveys.jl
+++ b/lib/Surveys.jl
@@ -226,7 +226,8 @@ const ResponseID = UInt32
 mutable struct Response
     survey::SurveyID
     id::ResponseID
-    page::Integer
+    exip::UInt32
+    page::Int
     answers::Dict{Symbol, Answer}
     started::DateTime
     completed::Union{DateTime, Nothing}
@@ -242,18 +243,18 @@ Base.getindex(r::Response, id::Symbol) = r.answers[id]
 
 Answer(::Question{<:FormField{T}}) where {T} = Answer{T}(missing, nothing)
 
-Response(s::Survey, id::ResponseID=rand(ResponseID)) =
-    Response(s.id, id, 1,
+Response(s::Survey, id::ResponseID=rand(ResponseID); exip::UInt32=zero(UInt32)) =
+    Response(s.id, id, exip, 1,
              Dict(q.id => Answer(q) for q in
                       Iterators.flatten([s[i].questions for i in 1:length(s)])),
              now(), nothing)
 
-function Response(s::Survey, oldids::Vector{ResponseID})
+function Response(s::Survey, oldids::Vector{ResponseID}; exip::UInt32=zero(UInt32))
     newid = rand(ResponseID)
     while newid in oldids
         newid = rand(ResponseID)
     end
-    Response(s, newid)
+    Response(s, newid; exip)
 end
 
 interpret(::FormField{<:AbstractString}, value::AbstractString) = value