diff --git a/src/test/data/script_tests.json b/src/test/data/script_tests.json
index 027f198677d..b88c6415472 100644
--- a/src/test/data/script_tests.json
+++ b/src/test/data/script_tests.json
@@ -2589,6 +2589,7 @@
 ["CHECKSEQUENCEVERIFY tests"],
 ["", "CHECKSEQUENCEVERIFY", "CHECKSEQUENCEVERIFY", "INVALID_STACK_OPERATION", "CSV automatically fails on an empty stack"],
 ["-1", "CHECKSEQUENCEVERIFY", "CHECKSEQUENCEVERIFY", "NEGATIVE_LOCKTIME", "CSV automatically fails if stack top is negative"],
+["0x0180", "CHECKSEQUENCEVERIFY", "CHECKSEQUENCEVERIFY", "UNSATISFIED_LOCKTIME", "Negative zero is treated as 0, so CSV fails with UNSATISFIED_LOCKTIME rather than NEGATIVE_LOCKTIME"],
 ["0x0100", "CHECKSEQUENCEVERIFY", "CHECKSEQUENCEVERIFY,MINIMALDATA", "SCRIPTNUM", "CSV fails if stack top is not minimally encoded"],
 ["0", "CHECKSEQUENCEVERIFY", "CHECKSEQUENCEVERIFY", "UNSATISFIED_LOCKTIME", "CSV fails if stack top bit 1 << 31 is set and the tx version < 2"],
 ["0x050000000001", "CHECKSEQUENCEVERIFY", "CHECKSEQUENCEVERIFY", "UNSATISFIED_LOCKTIME",