diff --git a/reactos/dll/win32/samsrv/samsrv.c b/reactos/dll/win32/samsrv/samsrv.c
index d8f5cb653e5..0d17100b097 100644
--- a/reactos/dll/win32/samsrv/samsrv.c
+++ b/reactos/dll/win32/samsrv/samsrv.c
@@ -217,6 +217,20 @@ SamIFree_SAMPR_RETURNED_USTRING_ARRAY(PSAMPR_RETURNED_USTRING_ARRAY Ptr)
 }
 
 
+VOID
+NTAPI
+SamIFree_SAMPR_SR_SECURITY_DESCRIPTOR(PSAMPR_SR_SECURITY_DESCRIPTOR Ptr)
+{
+    if (Ptr != NULL)
+    {
+        if (Ptr->SecurityDescriptor != NULL)
+            MIDL_user_free(Ptr->SecurityDescriptor);
+
+        MIDL_user_free(Ptr);
+    }
+}
+
+
 VOID
 NTAPI
 SamIFree_SAMPR_ULONG_ARRAY(PSAMPR_ULONG_ARRAY Ptr)
diff --git a/reactos/dll/win32/samsrv/samsrv.spec b/reactos/dll/win32/samsrv/samsrv.spec
index 97f1b771ef4..39f86ef5da7 100644
--- a/reactos/dll/win32/samsrv/samsrv.spec
+++ b/reactos/dll/win32/samsrv/samsrv.spec
@@ -26,7 +26,7 @@
 @ stub SamIFree_SAMPR_GROUP_INFO_BUFFER
 @ stdcall SamIFree_SAMPR_PSID_ARRAY(ptr)
 @ stdcall SamIFree_SAMPR_RETURNED_USTRING_ARRAY(ptr)
-@ stub SamIFree_SAMPR_SR_SECURITY_DESCRIPTOR
+@ stdcall SamIFree_SAMPR_SR_SECURITY_DESCRIPTOR(ptr)
 @ stdcall SamIFree_SAMPR_ULONG_ARRAY(ptr)
 @ stdcall SamIFree_SAMPR_USER_INFO_BUFFER(ptr long)
 @ stub SamIFree_UserInternal6Information