diff --git a/fix-907761.patch b/fix-907761.patch
index d9f5d26aa..9a8a7c47f 100644
--- a/fix-907761.patch
+++ b/fix-907761.patch
@@ -49,7 +49,7 @@
      char *pbuffer = (char *)pto;
      char *psrc=(char *)(paddr->pfield);
  
-+    if (paddr->pfldDes->field_type == DBF_STRING) {
++    if (paddr->pfldDes && paddr->pfldDes->field_type == DBF_STRING) {
 +        pbuffer[--nRequest] = 0;
 +        if (nRequest == 0) return(0);
 +    }
@@ -60,7 +60,7 @@
      unsigned char *pbuffer = (unsigned char *)pto;
      char *psrc=(char *)(paddr->pfield);
  
-+    if (paddr->pfldDes->field_type == DBF_STRING) {
++    if (paddr->pfldDes && paddr->pfldDes->field_type == DBF_STRING) {
 +        pbuffer[--nRequest] = 0;
 +        if (nRequest == 0) return(0);
 +    }