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-rw-r--r--src/settings.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/settings.cpp b/src/settings.cpp
index d7ac17356..7ea4ff194 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -751,7 +751,7 @@ static bool TrainAccelerationModelChanged(int32 p1)
static bool DragSignalsDensityChanged(int32)
{
- SetWindowDirty(WC_BUILD_SIGNAL, 0);
+ InvalidateWindowData(WC_BUILD_SIGNAL, 0);
return true;
}