diff --git a/libavutil/sha1.c b/libavutil/sha1.c
index a25bdbcf1b..80dbc312b9 100644
--- a/libavutil/sha1.c
+++ b/libavutil/sha1.c
@@ -27,7 +27,7 @@
 typedef struct AVSHA1 {
     uint8_t  digest_len;  ///< digest length in 32-bit words
     uint64_t count;       ///< number of bytes in buffer
-    uint8_t buffer[64];   ///< 512-bit buffer of input values used in hash updating
+    uint8_t  buffer[64];  ///< 512-bit buffer of input values used in hash updating
     uint32_t state[8];    ///< current hash value
 } AVSHA1;