diff --git a/plugins/profinet/packet-dcom-cba.c b/plugins/profinet/packet-dcom-cba.c

index 967b8e6..cbb628c 100644

--- a/plugins/profinet/packet-dcom-cba.c

+++ b/plugins/profinet/packet-dcom-cba.c

@@ -553,7 +553,7 @@ dissect_ICBAPhysicalDevice_get_LogicalDevice_rqst(tvbuff_t *tvb, int offset,

     packet_info *pinfo, proto_tree *tree, guint8 *drep)

 {

     guint32      u32Pointer;

-    gchar        szStr[1000];

+    gchar        szStr[1000] = "";

     guint32      u32MaxStr = sizeof(szStr);

     dcerpc_info *info      = (dcerpc_info *) pinfo->private_data;

     gchar       *call;