diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -1071,10 +1071,6 @@
                         // Unfortunately this is a potential source of
                         // mutability, so optionally verify it is exactly equal
                         // to zero prior to removing it from the stack.
-                        if (stack.size() < 1) {
-                            return set_error(
-                                serror, SCRIPT_ERR_INVALID_STACK_OPERATION);
-                        }
                         if ((flags & SCRIPT_VERIFY_NULLDUMMY) &&
                             stacktop(-1).size()) {
                             return set_error(serror, SCRIPT_ERR_SIG_NULLDUMMY);