diff --git a/anaconda/pyanaconda/iutil.py b/anaconda/pyanaconda/iutil.py
index 166626a..c83bcdd 100644
--- a/anaconda/pyanaconda/iutil.py
+++ b/anaconda/pyanaconda/iutil.py
@@ -1115,7 +1115,7 @@ def is_unsupported_hw():
             missing_features.append('HAP/SLAT/EPT/RVI')
         # slightly different wording for Intel and AMD
         if b'Intel VT-d Interrupt Remapping enabled' not in xl_dmesg \
-                    and 'Interrupt remapping enabled' not in xl_dmesg:
+                    and b'Interrupt remapping enabled' not in xl_dmesg:
             missing_features.append('Interrupt Remapping')
         status = ', '.join(missing_features)