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-rw-r--r--src/lib/ffi/ffi.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/ffi/ffi.cpp b/src/lib/ffi/ffi.cpp
index e15594ca6..42b01be62 100644
--- a/src/lib/ffi/ffi.cpp
+++ b/src/lib/ffi/ffi.cpp
@@ -553,7 +553,7 @@ int botan_mp_to_str(const botan_mp_t mp, uint8_t digit_base, char* out, size_t*
std::vector<uint8_t> hex = Botan::BigInt::encode(bn, base);
hex.push_back(0); // null terminator
- write_str_output(out, out_len, hex);
+ return write_str_output(out, out_len, hex);
});
}