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-rw-r--r--src/core/machine-id-setup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/core/machine-id-setup.c b/src/core/machine-id-setup.c
index 2a58e48d6f..3efcd5fac2 100644
--- a/src/core/machine-id-setup.c
+++ b/src/core/machine-id-setup.c
@@ -38,7 +38,7 @@
#include "fileio.h"
#include "path-util.h"
-static int shorten_uuid(char destination[36], const char *source) {
+static int shorten_uuid(char destination[34], const char source[36]) {
unsigned i, j;
for (i = 0, j = 0; i < 36 && j < 32; i++) {