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-rw-r--r--sphinx/domains/c.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/sphinx/domains/c.py b/sphinx/domains/c.py
index 164a87254..36a8f1f65 100644
--- a/sphinx/domains/c.py
+++ b/sphinx/domains/c.py
@@ -432,9 +432,9 @@ class ASTUnaryOpExpr(ASTExpression):
def _stringify(self, transform: StringifyTransform) -> str:
if self.op[0] in 'cn':
- return transform(self.op) + " " + transform(self.expr)
+ return self.op + " " + transform(self.expr)
else:
- return transform(self.op) + transform(self.expr)
+ return self.op + transform(self.expr)
def describe_signature(self, signode: TextElement, mode: str,
env: "BuildEnvironment", symbol: "Symbol") -> None: