diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3423e26c7526..637de532d1ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Deprecated
 
+## [2.19.1] - 2022-03-24
+
+### Fixed
+
+- Fix a bug deallocating a pointer potentially pointing to shared memory allocated by MAPL_Shmem
+
 ## [2.19.0] - 2022-03-18
 
 ### Fixed
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5090ffa19888..de364339a5cf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ cmake_policy (SET CMP0054 NEW)
 
 project (
   MAPL
-  VERSION 2.19.0
+  VERSION 2.19.1
   LANGUAGES Fortran CXX C)  # Note - CXX is required for ESMF
 
 # Set the default build type to release
diff --git a/generic/GenericCplComp.F90 b/generic/GenericCplComp.F90
index aa1cb263343b..180f75dc7959 100644
--- a/generic/GenericCplComp.F90
+++ b/generic/GenericCplComp.F90
@@ -1,4 +1,14 @@
-
+#define _DEALLOC(A) \
+    if(associated(A))then; \
+          if(MAPL_ShmInitialized)then; \
+              call MAPL_SyncSharedMemory(rc=STATUS); \
+              call MAPL_DeAllocNodeArray(A,rc=STATUS); \
+           else; \
+              deallocate(A,stat=STATUS); \
+           endif; \
+       _VERIFY(STATUS); \
+       NULLIFY(A); \
+    endif
 #include "MAPL_Generic.h"
 #include "unused_dummy.H"
 
@@ -21,6 +31,7 @@ module MAPL_GenericCplCompMod
 
   use ESMF
   use ESMFL_Mod
+  use MAPL_ShmemMod
   use MAPL_BaseMod
   use MAPL_Constants
   use MAPL_IOMod
@@ -1338,7 +1349,7 @@ subroutine ReadRestart(CC, SRC, DST, CLOCK, RC)
           case default
              _ASSERT(.false., "Unsupported rank")
           end select
-          if(associated(mask)) deallocate(mask)
+          _DEALLOC(mask)
        end do
 
        if (am_i_root) call Free_File(unit = UNIT, rc=STATUS)
@@ -1532,7 +1543,7 @@ subroutine WriteRestart(CC, SRC, DST, CLOCK, RC)
           case default
              _ASSERT(.false.," Unsupported rank")
           end select
-          if(associated(mask)) deallocate(mask)
+          _DEALLOC(mask)
        end do
 
        if(am_i_root) call Free_File(unit = UNIT, rc=STATUS)