diff --git a/impl/src/jsonlogger.c b/impl/src/jsonlogger.c
index f0ac4c1..3b63439 100644
--- a/impl/src/jsonlogger.c
+++ b/impl/src/jsonlogger.c
@@ -99,6 +99,7 @@ bool jsonlogger_init(const char *fifoname)
 	}
 
 	strncpy(m_fifo_path, fifoname, sizeof(m_fifo_path));
+	m_fifo_path[sizeof(m_fifo_path)-1] = '\0';
 
 	m_fifo_fd = -1; // open on demand