diff --git a/src/planner.jl b/src/planner.jl
index c911c8d..964e94f 100644
--- a/src/planner.jl
+++ b/src/planner.jl
@@ -12,7 +12,7 @@ function build_despot(p::DESPOTPlanner, b_0)
         trial += 1
     end
 
-    return D
+    return D, CPUtime_us()-start
 end
 
 function explore!(D::DESPOT, b::Int, p::DESPOTPlanner)
diff --git a/src/pomdps_glue.jl b/src/pomdps_glue.jl
index 8008e14..6784c80 100644
--- a/src/pomdps_glue.jl
+++ b/src/pomdps_glue.jl
@@ -5,11 +5,12 @@ function POMDPTools.action_info(p::DESPOTPlanner, b)
     try
         Random.seed!(p.rs, rand(p.rng, UInt32))
 
-        D = build_despot(p, b)
+        D, search_time = build_despot(p, b)
 
         if p.sol.tree_in_info
             info[:tree] = D
         end
+        info[:search_time_us] = search_time
 
         check_consistency(p.rs)
 
diff --git a/test/runtests.jl b/test/runtests.jl
index 1ea4f62..8e79801 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -93,7 +93,8 @@ solver = DESPOTSolver(epsilon_0=0.1,
 p = solve(solver, pomdp)
 
 b0 = initialstate(pomdp)
-D = @inferred ARDESPOT.build_despot(p, b0)
+D, search_time = @inferred ARDESPOT.build_despot(p, b0)
+@test search_time !== NaN
 @inferred ARDESPOT.explore!(D, 1, p)
 @inferred ARDESPOT.expand!(D, length(D.children), p)
 @inferred ARDESPOT.prune!(D, 1, p)
@@ -123,6 +124,9 @@ show(stdout, MIME("text/plain"), D)
 a, info = action_info(p, initialstate(pomdp))
 show(stdout, MIME("text/plain"), info[:tree])
 
+# check if search_time exists in info
+@test info[:search_time_us] !== NaN
+
 # from README:
 using POMDPs, POMDPModels, ARDESPOT
 using POMDPTools