diff --git a/utils/misc/src/main/java/org/onlab/util/ImmutableByteSequence.java b/utils/misc/src/main/java/org/onlab/util/ImmutableByteSequence.java
index 4794a24..013f3c5 100644
--- a/utils/misc/src/main/java/org/onlab/util/ImmutableByteSequence.java
+++ b/utils/misc/src/main/java/org/onlab/util/ImmutableByteSequence.java
@@ -432,7 +432,7 @@
         checkNotNull(original, "byte sequence cannot be null");
         checkArgument(bitWidth > 0, "bit-width must be a non-zero positive integer");
 
-        int newByteWidth = (int) Math.ceil((double) bitWidth / 8);
+        int newByteWidth = (bitWidth + 7) / 8;
 
         if (bitWidth == original.size() * 8) {
             // No need to fit.