diff --git a/src/PropertyT.jl b/src/PropertyT.jl
index b2e856a..388c37c 100644
--- a/src/PropertyT.jl
+++ b/src/PropertyT.jl
@@ -165,14 +165,12 @@ function compute_λandP(m, varλ, varP; warmstart=nothing)
     P = nothing
     while λ == 0.0
         try
+            if warmstart != nothing
+                p_sol, d_sol, s = warmstart
+                MathProgBase.SolverInterface.setwarmstart!(m.internalModel, p_sol; dual_sol = d_sol, slack=s);
+            end
             solve_SDP(m)
-            λ = JuMP.getvalue(varλ)
-            P = JuMP.getvalue(varP)
-
-            p_sol = m.internalModel.primal_sol
-            d_sol = m.internalModel.dual_sol
-            s = m.internalModel.slack
-
+            λ = MathProgBase.getobjval(m.internalModel)
         catch y
             warn(solver_logger, y)
         end
diff --git a/src/SDPs.jl b/src/SDPs.jl
index a12d166..6360db4 100644
--- a/src/SDPs.jl
+++ b/src/SDPs.jl
@@ -61,7 +61,7 @@ function solve_SDP(SDP_problem)
     o = redirect_stdout(solver_logger.handlers["solver_log"].io)
     Base.Libc.flush_cstdio()
 
-    @logtime logger solution_status = JuMP.solve(SDP_problem)
+    @logtime logger solution_status = MathProgBase.optimize!(SDP_problem.internalModel)
     Base.Libc.flush_cstdio()
 
     redirect_stdout(o)