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-rw-r--r--src/vehicle_gui.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vehicle_gui.cpp b/src/vehicle_gui.cpp
index 56d1c4903..4906d67a7 100644
--- a/src/vehicle_gui.cpp
+++ b/src/vehicle_gui.cpp
@@ -686,7 +686,7 @@ uint ShowRefitOptionsList(int left, int right, int y, EngineID engine)
} else {
/* Check if we are able to refit to more cargo types and unable to. If
* so, invert the cargo types to list those that we can't refit to. */
- if (CountBits(cmask ^ lmask) < CountBits(cmask)) {
+ if (CountBits(cmask ^ lmask) < CountBits(cmask) && CountBits(cmask ^ lmask) <= 7) {
cmask ^= lmask;
b = InlineString(b, STR_PURCHASE_INFO_ALL_BUT);
}