diff --git a/src/tval.c b/src/tval.c
index b2a2eea..4218742 100644
--- a/src/tval.c
+++ b/src/tval.c
@@ -6,8 +6,10 @@ uc_tvadd(struct timeval *dst, const struct timeval *a, const struct timeval *b)
 	dst->tv_sec = a->tv_sec + b->tv_sec;
 	dst->tv_usec = a->tv_usec + b->tv_usec;
 
-	if (dst->tv_usec >= 1000000)
-		dst->tv_sec++, dst->tv_usec -= 1000000;
+	if (dst->tv_usec >= 1000000) {
+		dst->tv_sec++;
+        dst->tv_usec -= 1000000;
+    }
 
 	return dst;
 }
@@ -18,8 +20,10 @@ uc_tvsub(struct timeval *dst, const struct timeval *a, const struct timeval *b)
 	dst->tv_sec = a->tv_sec - b->tv_sec;
 	dst->tv_usec = a->tv_usec - b->tv_usec;
 
-	if (dst->tv_usec < 0)
-		dst->tv_sec--, dst->tv_usec += 1000000;
+	if (dst->tv_usec < 0) {
+		dst->tv_sec--;
+        dst->tv_usec += 1000000;
+    }
 
 	return dst;
 }