diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf4191d25125c2ab55e729b17cd027d275de9743..47784ffa1d16e12323ef469129fce3e407f7bdca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -49,6 +49,7 @@ v5.0.0
 - Removed instance count from beginning of Array storage to improve memory
   alignment (!921)
 - Fix naming issue of duplicate Unit tests (!924) 
+- Fix warnings about missing virtual destructors in abstract classes (!932)
 
 **NekMesh**:
 - Add feature to read basic 2D geo files as CAD (!731)
diff --git a/library/SolverUtils/Advection/Advection.h b/library/SolverUtils/Advection/Advection.h
index 256733257f157676b92f6252626608d4f0ba7c0b..d330cee5da706d962b76b82794d5792d090217b4 100644
--- a/library/SolverUtils/Advection/Advection.h
+++ b/library/SolverUtils/Advection/Advection.h
@@ -69,6 +69,10 @@ typedef std::function<void (
 class Advection
 {
 public:
+
+    SOLVER_UTILS_EXPORT virtual ~Advection()
+    {};
+
     /// Interface function to initialise the advection object.
     SOLVER_UTILS_EXPORT void InitObject(
         LibUtilities::SessionReaderSharedPtr               pSession,
diff --git a/library/SolverUtils/Diffusion/Diffusion.h b/library/SolverUtils/Diffusion/Diffusion.h
index a2c61b1d21c9833527beb5e6f164d1bf8564a9c6..cf973b7ab8f44fa85d054e6f0a9afb0536dbf540 100644
--- a/library/SolverUtils/Diffusion/Diffusion.h
+++ b/library/SolverUtils/Diffusion/Diffusion.h
@@ -71,6 +71,10 @@ namespace Nektar
         class Diffusion
         {
         public:
+
+            SOLVER_UTILS_EXPORT virtual ~Diffusion()
+            {};
+
             SOLVER_UTILS_EXPORT void InitObject(
                 LibUtilities::SessionReaderSharedPtr              pSession,
                 Array<OneD, MultiRegions::ExpListSharedPtr>       pFields);
diff --git a/library/SolverUtils/RiemannSolvers/RiemannSolver.h b/library/SolverUtils/RiemannSolvers/RiemannSolver.h
index 1a0568f5da821b6ef8dd531a923f6a5665848b5c..0c7603a07f290e4907be8c120b68bb7e9396b753 100644
--- a/library/SolverUtils/RiemannSolvers/RiemannSolver.h
+++ b/library/SolverUtils/RiemannSolvers/RiemannSolver.h
@@ -160,6 +160,9 @@ namespace Nektar
             SOLVER_UTILS_EXPORT RiemannSolver(
                 const LibUtilities::SessionReaderSharedPtr& pSession);
 
+            SOLVER_UTILS_EXPORT virtual ~RiemannSolver()
+            {};
+
             virtual void v_Solve(
                 const int                                         nDim,
                 const Array<OneD, const Array<OneD, NekDouble> > &Fwd,