diff --git a/src/r_data.c b/src/r_data.c
index eb5e27b0b0b7ef586e12cebabdab010576b1a7fc..eef6434b0c2161d79a345bf9cf918988cc051237 100644
--- a/src/r_data.c
+++ b/src/r_data.c
@@ -1591,7 +1591,7 @@ extracolormap_t *R_CreateColormap(char *p1, char *p2, char *p3)
 
 	for (exc = extra_colormaps; exc; exc = exc->next)
 	{
-		if (exc->lump)
+		if (exc->lump != LUMPERROR)
 			continue;
 		if (maskcolor == exc->maskcolor
 			&& fadecolor == exc->fadecolor