diff --git a/code/DAMASK_spectral_solverAL.f90 b/code/DAMASK_spectral_solverAL.f90
index 0044a3b36..f8836e401 100644
--- a/code/DAMASK_spectral_solverAL.f90
+++ b/code/DAMASK_spectral_solverAL.f90
@@ -96,7 +96,9 @@ module DAMASK_spectral_solverAL
    SNESSetConvergenceTest, &
    SNESSetFromOptions, &
    SNESCreate, &
-   MPI_Abort
+   MPI_Abort, &
+   MPI_Bcast, &
+   MPI_Allreduce
 
 contains
 
diff --git a/code/DAMASK_spectral_solverBasicPETSc.f90 b/code/DAMASK_spectral_solverBasicPETSc.f90
index 1a5143b55..14cbd66ee 100644
--- a/code/DAMASK_spectral_solverBasicPETSc.f90
+++ b/code/DAMASK_spectral_solverBasicPETSc.f90
@@ -85,7 +85,9 @@ module DAMASK_spectral_SolverBasicPETSc
    SNESSetConvergenceTest, &
    SNESSetFromOptions, &
    SNESCreate, &
-   MPI_Abort
+   MPI_Abort, &
+   MPI_Bcast, &
+   MPI_Allreduce
 
 contains
 
diff --git a/code/DAMASK_spectral_solverPolarisation.f90 b/code/DAMASK_spectral_solverPolarisation.f90
index 1d681db45..fc65e7053 100644
--- a/code/DAMASK_spectral_solverPolarisation.f90
+++ b/code/DAMASK_spectral_solverPolarisation.f90
@@ -96,7 +96,9 @@ module DAMASK_spectral_solverPolarisation
    SNESSetConvergenceTest, &
    SNESSetFromOptions, &
    SNESCreate, &
-   MPI_Abort
+   MPI_Abort, &
+   MPI_Bcast, &
+   MPI_Allreduce
 
 contains