diff --git a/lib/OptimizationMOI/Project.toml b/lib/OptimizationMOI/Project.toml
index a5666dc7a..52fb07202 100644
--- a/lib/OptimizationMOI/Project.toml
+++ b/lib/OptimizationMOI/Project.toml
@@ -4,7 +4,6 @@ authors = ["Vaibhav Dixit <vaibhavyashdixit@gmail.com> and contributors"]
 version = "0.1.16"
 
 [deps]
-AmplNLWriter = "7c4d4715-977e-5154-bfe0-e096adeac482"
 Ipopt_jll = "9cc047cb-c261-5740-88fc-0cf96f7bdcc7"
 MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
 ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"
diff --git a/lib/OptimizationMOI/src/nlp.jl b/lib/OptimizationMOI/src/nlp.jl
index 9a1bf5cbe..6b2289d8d 100644
--- a/lib/OptimizationMOI/src/nlp.jl
+++ b/lib/OptimizationMOI/src/nlp.jl
@@ -377,13 +377,13 @@ function MOI.objective_expr(evaluator::MOIOptimizationNLPEvaluator)
 end
 
 function MOI.constraint_expr(evaluator::MOIOptimizationNLPEvaluator, i)
-    # expr has the form f(x,p) == 0 or f(x,p) <= 0
+    # expr has the form f(x,p) == 0 or f(x,p) <= 0 
     cons_expr = deepcopy(evaluator.cons_expr[i].args[2])
+    compop = Symbol(evaluator.cons_expr[i].args[1])
     repl_getindex!(cons_expr)
     _replace_parameter_indices!(cons_expr, evaluator.p)
     _replace_variable_indices!(cons_expr)
-    lb, ub = Float64(evaluator.lcons[i]), Float64(evaluator.ucons[i])
-    return :($lb <= $cons_expr <= $ub)
+    return Expr(:call, compop, cons_expr, 0.0)
 end
 
 function _add_moi_variables!(opt_setup, evaluator::MOIOptimizationNLPEvaluator)