diff --git a/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l1_cache.py b/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l1_cache.py
index b4854816fb..e746579834 100644
--- a/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l1_cache.py
+++ b/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l1_cache.py
@@ -92,7 +92,7 @@ class L1Cache(L0Cache_Controller):
 
     def getBlockSizeBits(self, cache_line_size):
         bits = int(math.log(cache_line_size, 2))
-        if 2**bits != cache_line_size:
+        if 2**bits != int(cache_line_size):
             raise Exception("Cache line size is not a power of 2!")
         return bits
 
diff --git a/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l2_cache.py b/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l2_cache.py
index d54e1ab8dc..dfc1304a87 100644
--- a/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l2_cache.py
+++ b/src/python/gem5/components/cachehierarchies/ruby/caches/mesi_three_level/l2_cache.py
@@ -90,7 +90,7 @@ class L2Cache(L1Cache_Controller):
 
     def getBlockSizeBits(self, cache_line_size):
         bits = int(math.log(cache_line_size, 2))
-        if 2**bits != cache_line_size:
+        if 2**bits != int(cache_line_size):
             raise Exception("Cache line size is not a power of 2!")
         return bits