diff --git a/src/eval.c b/src/eval.c
index 8416b57..88b9549 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -5571,6 +5571,10 @@
 	else if (STRICMP(name, "win95") == 0)
 	    n = mch_windows95();
 #endif
+#ifdef FEAT_NETBEANS_INTG
+	else if (STRICMP(name, "netbeans_enabled") == 0)
+	    n = usingNetbeans;
+#endif
     }
 
     retvar->var_val.var_number = n;