diff --git a/src/util/format/u_format_pack.py b/src/util/format/u_format_pack.py
index 94b326e6d82..83702a04a07 100644
--- a/src/util/format/u_format_pack.py
+++ b/src/util/format/u_format_pack.py
@@ -414,11 +414,14 @@ def conversion_expr(src_channel,
             if dst_channel.norm or dst_channel.type == FIXED:
                 dst_one = get_one(dst_channel)
                 if dst_channel.size <= 23:
-                    value = 'util_iround(%s * 0x%x)' % (value, dst_one)
+                    value = '(%s * 0x%x)' % (value, dst_one)
                 else:
                     # bigger than single precision mantissa, use double
                     value = '(%s * (double)0x%x)' % (value, dst_one)
 
+            if dst_channel.size <= 23:
+                value = 'util_iround(%s)' % (value)
+
             # Cast to an integer with the correct signedness first
             if dst_channel.type == UNSIGNED:
                 value = '(uint%u_t)(%s) ' % (max(dst_channel.size, 32), value)