diff --git a/lib/OptimizationNLopt/Project.toml b/lib/OptimizationNLopt/Project.toml
index e1705c3b0..366644387 100644
--- a/lib/OptimizationNLopt/Project.toml
+++ b/lib/OptimizationNLopt/Project.toml
@@ -1,7 +1,7 @@
 name = "OptimizationNLopt"
 uuid = "4e6fcdb7-1186-4e1f-a706-475e75c168bb"
 authors = ["Vaibhav Dixit <vaibhavyashdixit@gmail.com> and contributors"]
-version = "0.1.7"
+version = "0.1.8"
 
 [deps]
 Optimization = "7f7a1694-90dd-40f0-9382-eb1efda571ba"
diff --git a/lib/OptimizationNLopt/src/OptimizationNLopt.jl b/lib/OptimizationNLopt/src/OptimizationNLopt.jl
index 96800ae99..61c909919 100644
--- a/lib/OptimizationNLopt/src/OptimizationNLopt.jl
+++ b/lib/OptimizationNLopt/src/OptimizationNLopt.jl
@@ -136,7 +136,9 @@ function SciMLBase.__solve(cache::OptimizationCache{
 
     _loss = function (θ)
         x = cache.f(θ, cache.p)
-        cache.callback(θ, x...)
+        if cache.callback(θ, x...)
+            error("Optimization halted by callback.")
+        end
         return x[1]
     end