diff --git a/test/gpu_test.jl b/test/gpu_test.jl
index 07a2974..4ba350b 100644
--- a/test/gpu_test.jl
+++ b/test/gpu_test.jl
@@ -21,32 +21,13 @@ function nls_gpu_tests(p, Model; exclude = [])
   end
 end
 
-@testset "Check GPU multiprecision for quasi-Newton model modifiers $M of NLP" for M in [
-  LBFGSModel,
-  LSR1Model,
-  DiagonalPSBModel,
-  DiagonalAndreiModel,
-  SpectralGradientModel,
-]
-  map(
-    p -> nlp_gpu_tests(
-      p,
-      M,
-      exclude = [hess, hess_coord, ghjvprod, jth_hess, jth_hess_coord, jth_hprod],
-    ),
-    union(NLPModelsTest.nlp_problems, NLPModelsTest.nls_problems),
-  )
+@testset "Check GPU multiprecision for quasi-Newton model modifiers $M of NLP" for M in [LBFGSModel, LSR1Model, DiagonalPSBModel, DiagonalAndreiModel, SpectralGradientModel]
+  # for hprod, seehttps://github.com/JuliaSmoothOptimizers/LinearOperators.jl/issues/327
+  map(p -> nlp_gpu_tests(p, M, exclude = [hprod, hess, hess_coord, ghjvprod, jth_hess, jth_hess_coord, jth_hprod]), union(NLPModelsTest.nlp_problems, NLPModelsTest.nls_problems))
 end
 
 @testset "Check GPU multiprecision for model modifiers $M of NLP" for M in [FeasibilityResidual]
-  map(
-    p -> nlp_gpu_tests(
-      p,
-      M,
-      exclude = [hess, hess_coord, ghjvprod, jth_hess, jth_hess_coord, jth_hprod],
-    ),
-    setdiff(NLPModelsTest.nlp_problems, ["BROWNDEN", "HS5"]),
-  )
+  map(p -> nlp_gpu_tests(p, M, exclude = [hess, hess_coord, ghjvprod, jth_hess, jth_hess_coord, jth_hprod]), setdiff(NLPModelsTest.nlp_problems, ["BROWNDEN", "HS5"]))
 end
 
 @testset "Check GPU multiprecision for model modifiers $M of NLP" for M in [SlackModel]
@@ -54,19 +35,9 @@ end
 end
 
 @testset "Check GPU multiprecision for model modifiers $M of NLP" for M in [FeasibilityResidual]
-  map(
-    p -> nls_gpu_tests(
-      p,
-      M,
-      exclude = [hess, hess_coord, ghjvprod, jth_hess, jth_hess_coord, jth_hprod],
-    ),
-    setdiff(NLPModelsTest.nls_problems, ["MGH01", "BNDROSENBROCK"]),
-  )
+  map(p -> nls_gpu_tests(p, M, exclude = [hess, hess_coord, ghjvprod, jth_hess, jth_hess_coord, jth_hprod]), setdiff(NLPModelsTest.nls_problems, ["MGH01", "BNDROSENBROCK"]))
 end
 
-@testset "Check GPU multiprecision for model modifiers $M of NLP" for M in [
-  SlackNLSModel,
-  FeasibilityFormNLS,
-]
+@testset "Check GPU multiprecision for model modifiers $M of NLP" for M in [SlackNLSModel, FeasibilityFormNLS]
   map(p -> nls_gpu_tests(p, M, exclude = []), NLPModelsTest.nls_problems)
 end