diff --git a/src/frontend/plotting/plotting.c b/src/frontend/plotting/plotting.c
index 51fa9d0a2..430b2c978 100644
--- a/src/frontend/plotting/plotting.c
+++ b/src/frontend/plotting/plotting.c
@@ -7,7 +7,7 @@
 struct plot constantplot = {
     "Constant values", Spice_Build_Date, "constants",
     "const", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
-    TRUE, FALSE, 0
+    TRUE, FALSE, 0, 0, 0
 };
 
 struct plot *plot_cur = &constantplot;