diff --git a/src/interfaces/libpq/fe-secure-openssl.c b/src/interfaces/libpq/fe-secure-openssl.c
index 7348a62e46..cbc90c64b8 100644
--- a/src/interfaces/libpq/fe-secure-openssl.c
+++ b/src/interfaces/libpq/fe-secure-openssl.c
@@ -1192,7 +1192,7 @@ initialize_SSL(PGconn *conn)
 		if (!S_ISREG(buf.st_mode))
 		{
 			printfPQExpBuffer(&conn->errorMessage,
-							  libpq_gettext("private key file \"%s\" is not a regular file"),
+							  libpq_gettext("private key file \"%s\" is not a regular file\n"),
 							  fnbuf);
 			return -1;
 		}