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-rw-r--r--svtools/source/control/ctrlbox.cxx4
1 files changed, 4 insertions, 0 deletions
diff --git a/svtools/source/control/ctrlbox.cxx b/svtools/source/control/ctrlbox.cxx
index ca70c0eb23c8..96780a1c5da6 100644
--- a/svtools/source/control/ctrlbox.cxx
+++ b/svtools/source/control/ctrlbox.cxx
@@ -328,6 +328,10 @@ long BorderWidthImpl::GetLine1( long nWidth ) const
result = std::max<long>(0,
static_cast<long>((m_nRate1 * nWidth) + 0.5)
- (nConstant2 + nConstantD));
+ if (result == 0 && m_nRate1 > 0.0 && nWidth > 0)
+ { // fdo#51777: hack to essentially treat 1 twip DOUBLE border
+ result = 1; // as 1 twip SINGLE border
+ }
}
return result;
}