diff --git a/src/libFLAC/bitmath.c b/src/libFLAC/bitmath.c
index 1deed61c..4543ccbe 100644
--- a/src/libFLAC/bitmath.c
+++ b/src/libFLAC/bitmath.c
@@ -93,7 +93,8 @@ unsigned FLAC__bitmath_silog2(int v)
 			return 2;
 		}
 		else {
-			v = -(++v);
+			v++;
+			v = -v;
 		}
 	}
 }