diff --git a/src/patchkernel/patch_kernel_parallel.cpp b/src/patchkernel/patch_kernel_parallel.cpp
index 1b468cac19..18d81d7d14 100644
--- a/src/patchkernel/patch_kernel_parallel.cpp
+++ b/src/patchkernel/patch_kernel_parallel.cpp
@@ -3765,6 +3765,8 @@ bool PatchKernel::arePartitioningInfoDirty(bool global) const
 {
 	if (!isPartitioned()) {
 		return false;
+	} else if (getProcessorCount() == 1) {
+		return false;
 	}
 
 	bool partitioningInfoDirty = m_partitioningInfoDirty;
@@ -3785,6 +3787,8 @@ void PatchKernel::setPartitioningInfoDirty(bool dirty)
 {
 	if (dirty && !isPartitioned()) {
 		return;
+	} else if (getProcessorCount() == 1) {
+		return;
 	}
 
 	m_partitioningInfoDirty = dirty;