diff --git a/src/SConscript b/src/SConscript
index 1de8a2d..7cd628a 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -666,7 +666,7 @@
             MakeAction(makeTheISA, Transform("CFG ISA", 0)))
 
 def makeTheGPUISA(source, target, env):
-    isas = [ src.get_contents() for src in source ]
+    isas = [ src.get_contents().decode('utf-8') for src in source ]
     target_gpu_isa = env['TARGET_GPU_ISA']
     def define(isa):
         return str(isa.upper()) + '_ISA'