diff --git a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen10.h b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen10.h
index 5b77c04..d216c51 100644
--- a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen10.h
+++ b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen10.h
@@ -38,7 +38,7 @@ namespace GmmLib
             GmmGen10CachePolicy(GMM_CACHE_POLICY_ELEMENT *pCachePolicy) :GmmGen9CachePolicy(pCachePolicy)
             {
             }
-            ~GmmGen10CachePolicy()
+            virtual ~GmmGen10CachePolicy()
             {
             }
 
diff --git a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen11.h b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen11.h
index a4ae3de..1a8e31e 100644
--- a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen11.h
+++ b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen11.h
@@ -34,7 +34,7 @@ namespace GmmLib
             GmmGen11CachePolicy(GMM_CACHE_POLICY_ELEMENT *pCachePolicy) :GmmGen10CachePolicy(pCachePolicy)
             {
             }
-            ~GmmGen11CachePolicy()
+            virtual ~GmmGen11CachePolicy()
             {
             }
 
diff --git a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen8.h b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen8.h
index 18e4587..dc4d552 100644
--- a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen8.h
+++ b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen8.h
@@ -57,7 +57,7 @@ namespace GmmLib
                 #endif
             }
 
-            ~GmmGen8CachePolicy()
+            virtual ~GmmGen8CachePolicy()
             {
             }
 
diff --git a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen9.h b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen9.h
index f4674aa..1c6d668 100644
--- a/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen9.h
+++ b/Source/GmmLib/inc/External/Common/CachePolicy/GmmCachePolicyGen9.h
@@ -36,7 +36,7 @@ namespace GmmLib
             GmmGen9CachePolicy(GMM_CACHE_POLICY_ELEMENT *pCachePolicy) :GmmGen8CachePolicy(pCachePolicy)
             {
             }
-            ~GmmGen9CachePolicy()
+            virtual ~GmmGen9CachePolicy()
             {
             }