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-rw-r--r--src/smallmap_gui.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/smallmap_gui.cpp b/src/smallmap_gui.cpp
index 18c0fc25a..dea0caa39 100644
--- a/src/smallmap_gui.cpp
+++ b/src/smallmap_gui.cpp
@@ -279,6 +279,9 @@ static SmallMapColourScheme _heightmap_schemes[] = {
*/
void BuildLandLegend()
{
+ /* The smallmap window has never been initialized, so no need to change the legend. */
+ if (_heightmap_schemes[0].height_colours == NULL) return;
+
/*
* The general idea of this function is to fill the legend with an appropriate evenly spaced
* selection of height levels. All entries with STR_TINY_BLACK_HEIGHT are reserved for this.