diff --git a/src/structs.h b/src/structs.h
index 448697a..3b24eec 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1805,6 +1805,11 @@
 
 #ifdef FEAT_SIGNS
     signlist_T	*b_signlist;	/* list of signs to draw */
+# ifdef FEAT_NETBEANS_INTG
+    int		b_has_sign_column; /* Flag that is set when a first sign is
+				    * added and remains set until the end of
+				    * the netbeans session. */
+# endif
 #endif
 
 #ifdef FEAT_NETBEANS_INTG