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-rw-r--r--dom/media/webrtc/RTCCertificate.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/dom/media/webrtc/RTCCertificate.cpp b/dom/media/webrtc/RTCCertificate.cpp
index 3f778bcbb..9f5e27c56 100644
--- a/dom/media/webrtc/RTCCertificate.cpp
+++ b/dom/media/webrtc/RTCCertificate.cpp
@@ -74,7 +74,7 @@ private:
char buf[sizeof(randomName) * 2 + 4];
PL_strncpy(buf, "CN=", 3);
for (size_t i = 0; i < sizeof(randomName); ++i) {
- snprintf(&buf[i * 2 + 3], 2, "%.2x", randomName[i]);
+ snprintf(&buf[i * 2 + 3], 3, "%.2x", randomName[i]);
}
buf[sizeof(buf) - 1] = '\0';