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-rw-r--r--source4/lib/util/data_blob.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source4/lib/util/data_blob.c b/source4/lib/util/data_blob.c
index 3253d52ee7..7230aa9d99 100644
--- a/source4/lib/util/data_blob.c
+++ b/source4/lib/util/data_blob.c
@@ -150,7 +150,7 @@ _PUBLIC_ BOOL data_blob_equal(const DATA_BLOB *d1, const DATA_BLOB *d2)
/**
print the data_blob as hex string
**/
-_PUBLIC_ char *data_blob_hex_string(TALLOC_CTX *mem_ctx, DATA_BLOB *blob)
+_PUBLIC_ char *data_blob_hex_string(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob)
{
int i;
char *hex_string;