diff --git a/crypto/modes/ofb128.c b/crypto/modes/ofb128.c
index c732e2ec5..bb1d7796b 100644
--- a/crypto/modes/ofb128.c
+++ b/crypto/modes/ofb128.c
@@ -83,7 +83,8 @@ void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
 	n = *num;
 
 #if !defined(OPENSSL_SMALL_FOOTPRINT)
-	if (16%sizeof(size_t) == 0) do { /* always true actually */
+	if (16%sizeof(size_t) == 0) { /* always true actually */
+	    do {
 		while (n && len) {
 			*(out++) = *(in++) ^ ivec[n];
 			--len;
@@ -112,7 +113,8 @@ void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
 		}
 		*num = n;
 		return;
-	} while(0);
+	    } while(0);
+	}
 	/* the rest would be commonly eliminated by x86* compiler */
 #endif
 	while (l<len) {