diff --git a/experiments/amg2023/cuda/ramble.yaml b/experiments/amg2023/cuda/ramble.yaml
index 45c4d415b..cc8248e87 100644
--- a/experiments/amg2023/cuda/ramble.yaml
+++ b/experiments/amg2023/cuda/ramble.yaml
@@ -53,7 +53,7 @@ ramble:
         spack_spec: cuda@{default_cuda_version}+allow-unsupported-compilers
         compiler: default-compiler
       hypre:
-        spack_spec: hypre@2.28.0 +mpi+cuda+mixedint{modifier_spack_variant} cuda_arch=={cuda_arch}
+        spack_spec: hypre@2.31.0 +mpi+cuda+mixedint~fortran{modifier_spack_variant} cuda_arch=={cuda_arch}
         compiler: default-compiler
       amg2023:
         spack_spec: amg2023@develop +mpi+cuda{modifier_spack_variant} cuda_arch=={cuda_arch}
diff --git a/experiments/amg2023/openmp/ramble.yaml b/experiments/amg2023/openmp/ramble.yaml
index b58284b81..cad7f24bd 100644
--- a/experiments/amg2023/openmp/ramble.yaml
+++ b/experiments/amg2023/openmp/ramble.yaml
@@ -46,7 +46,7 @@ ramble:
     concretized: true
     packages:
       hypre-omp:
-        spack_spec: hypre@2.31.0 +mpi+openmp+mixedint{modifier_spack_variant}
+        spack_spec: hypre@2.31.0 +mpi+openmp+mixedint~fortran{modifier_spack_variant}
         compiler: default-compiler
       amg2023-omp:
         spack_spec: amg2023@develop +mpi+openmp{modifier_spack_variant}
diff --git a/experiments/amg2023/rocm/ramble.yaml b/experiments/amg2023/rocm/ramble.yaml
index c2ec20ebb..4878d451f 100644
--- a/experiments/amg2023/rocm/ramble.yaml
+++ b/experiments/amg2023/rocm/ramble.yaml
@@ -47,7 +47,7 @@ ramble:
       gtl: ["gtl", "no-gtl"]
     packages:
       hypre-{gtl}:
-        spack_spec: hypre@2.28.0 +mpi+rocm+mixedint{modifier_spack_variant} amdgpu_target={rocm_arch}
+        spack_spec: hypre@2.31.0 +mpi+rocm+mixedint~fortran{modifier_spack_variant} amdgpu_target={rocm_arch}
         compiler: compiler-rocm
       amg2023-gpu-{gtl}:
         spack_spec: amg2023@develop +mpi+rocm{modifier_spack_variant} amdgpu_target={rocm_arch}
diff --git a/repo/hypre/package.py b/repo/hypre/package.py
index 359536004..31613bcd3 100644
--- a/repo/hypre/package.py
+++ b/repo/hypre/package.py
@@ -21,6 +21,12 @@ class Hypre(BuiltinHypre):
     def configure_args(self):
         configure_args = super().configure_args()
 
+        if (self.compiler.fc and 'xlf' in self.compiler.fc) or (self.compiler.f77 and 'xlf' in self.compiler.f77):
+          if not "+fortran" in self.spec:        
+            configure_args.append("--with-fmangle=no-underscores")
+            configure_args.append("--with-fmangle-blas=no-underscores") 
+            configure_args.append("--with-fmangle-lapack=no-underscores")
+
         if self.spec["blas"].satisfies("rocblas"):
             configure_args.append("--enable-rocblas")
         if self.spec.satisfies("^cray-mpich+gtl"):