diff --git a/epan/camel-persistentdata.h b/epan/camel-persistentdata.h
index 469eeb098a..10ffba8620 100644
--- a/epan/camel-persistentdata.h
+++ b/epan/camel-persistentdata.h
@@ -112,6 +112,6 @@ void camelsrt_call_matching(tvbuff_t *tvb,
 			    proto_tree *tree,
 			    struct camelsrt_info_t * p_camel_info);
 
-extern gboolean gcamel_StatSRT;
+WS_VAR_IMPORT gboolean gcamel_StatSRT;
 
 #endif /* __camelsrt_HASH__*/
diff --git a/epan/tcap-persistentdata.h b/epan/tcap-persistentdata.h
index 4040c9fb45..2b00df6d6e 100644
--- a/epan/tcap-persistentdata.h
+++ b/epan/tcap-persistentdata.h
@@ -124,6 +124,6 @@ struct tcaphash_context_t * tcapsrt_call_matching(tvbuff_t *tvb,
 						  proto_tree *tree,
 						  struct tcapsrt_info_t * p_tcap_info);
 
-extern gboolean gtcap_StatSRT;
+WS_VAR_IMPORT gboolean gtcap_StatSRT;
 
 #endif /* __tcapsrt_HASH__*/