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-rw-r--r--backends/smt2/smt2.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/backends/smt2/smt2.cc b/backends/smt2/smt2.cc
index 1ab39a405..48da3f4be 100644
--- a/backends/smt2/smt2.cc
+++ b/backends/smt2/smt2.cc
@@ -462,7 +462,10 @@ struct Smt2Worker
int width = GetSize(sig_y);
if (type == 's' || type == 'S' || type == 'd' || type == 'b') {
- width = max(width, GetSize(cell->getPort(ID::A)));
+ if (type == 'b')
+ width = GetSize(cell->getPort(ID::A));
+ else
+ width = max(width, GetSize(cell->getPort(ID::A)));
if (cell->hasPort(ID::B))
width = max(width, GetSize(cell->getPort(ID::B)));
}