diff --git a/cmake/ThirdPartyPETSc.cmake b/cmake/ThirdPartyPETSc.cmake
index 5d08bf35b4d7f62c512a4e25fcd132c3603190bf..1fa0f377b2adf778ce138c361f61f3bd334b4773 100644
--- a/cmake/ThirdPartyPETSc.cmake
+++ b/cmake/ThirdPartyPETSc.cmake
@@ -92,7 +92,7 @@ IF (NEKTAR_USE_PETSC)
     ADD_DEFINITIONS(-DNEKTAR_USING_PETSC)
     INCLUDE_DIRECTORIES(SYSTEM ${PETSC_INCLUDES})
     IF (NOT NEKTAR_USE_MPI)
-        INCLUDE_DIRECTORIES(SYSTEM ${PETSC_INCLUDES}/mpiuni)
+        INCLUDE_DIRECTORIES(SYSTEM ${PETSC_INCLUDES}/petsc/mpiuni)
     ENDIF (NOT NEKTAR_USE_MPI)
 
     MARK_AS_ADVANCED(PETSC_CURRENT PETSC_DIR PETSC_LIBRARIES PETSC_INCLUDES)