diff --git a/examples_cuda/deferred/Makefile_gpu b/examples_cuda/deferred/Makefile_gpu
index 32ca109b..ddc74f56 100644
--- a/examples_cuda/deferred/Makefile_gpu
+++ b/examples_cuda/deferred/Makefile_gpu
@@ -8,7 +8,7 @@ LD=g++
 LDFLAGS=-lcuda
 
 ISPC=ispc
-ISPCFLAGS=-O3 --math-lib=default --target=nvptx64,avx
+ISPCFLAGS=-O3 --math-lib=default --target=nvptx64
 
 LLVM32 = $(HOME)/usr/local/llvm/bin-3.2
 LLVM   = $(HOME)/usr/local/llvm/bin-3.3
@@ -36,7 +36,7 @@ $(PROG): $(CXX_OBJ) kernel.ptx
 
 
 %_ispc_nvptx64.bc: %.ispc
-	$(ISPC) $(ISPCFLAGS) --emit-llvm -o `basename $< .ispc`_ispc.bc -h `basename $< .ispc`_ispc.h $< --emit-llvm
+	$(ISPC) $(ISPCFLAGS) --emit-llvm -o `basename $< .ispc`_ispc_nvptx64.bc -h `basename $< .ispc`_ispc.h $< --emit-llvm
 
 %.ptx: %.bc
 	$(LLVM32DIS) $<