diff --git a/comms/inspectrum/files/patch-src_traceplot.cpp b/comms/inspectrum/files/patch-src_traceplot.cpp
new file mode 100644
index 000000000000..4e1281dc8440
--- /dev/null
+++ b/comms/inspectrum/files/patch-src_traceplot.cpp
@@ -0,0 +1,11 @@
+--- src/traceplot.cpp.orig	2026-07-21 08:44:18 UTC
++++ src/traceplot.cpp
+@@ -32,7 +32,7 @@ void TracePlot::paintMid(QPainter &painter, QRect &rec
+ {
+     if (sampleRange.length() == 0) return;
+ 
+-    int samplesPerColumn = std::max(1UL, sampleRange.length() / rect.width());
++    int samplesPerColumn = std::max(static_cast<size_t>(1), sampleRange.length() / rect.width());
+     int samplesPerTile = tileWidth * samplesPerColumn;
+     size_t tileID = sampleRange.minimum / samplesPerTile;
+     size_t tileOffset = sampleRange.minimum % samplesPerTile; // Number of samples to skip from first image tile