1 files changed, 1 insertions, 1 deletions
diff --git a/src/od.c b/src/od.c
index 0293b11a1..59386d230 100644
--- a/src/od.c
+++ b/src/od.c
@@ -217,7 +217,7 @@ static long int pseudo_offset;
 
 /* Function to format an address and optionally an additional parenthesized
    pseudo-address; it returns the formatted string.  */
-static const char *(*format_address) (__P (long unsigned int));
+static const char *(*format_address) __P ((long unsigned int));
 
 /* The number of input bytes to skip before formatting and writing.  */
 static off_t n_bytes_to_skip = 0;