diff --git a/Makefile.am b/Makefile.am
index a2e1bd8..5242343 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -54,8 +54,8 @@ ccminer_LDFLAGS		= $(PTHREAD_FLAGS) @CUDA_LDFLAGS@
 ccminer_LDADD		= @LIBCURL@ @JANSSON_LIBS@ @PTHREAD_LIBS@ @WS2_LIBS@ @CUDA_LIBS@ @OPENMP_CFLAGS@ @LIBS@
 ccminer_CPPFLAGS	= -msse2 @LIBCURL_CPPFLAGS@ @OPENMP_CFLAGS@ $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_INCLUDES) -DSCRYPT_KECCAK512 -DSCRYPT_CHACHA -DSCRYPT_CHOOSE_COMPILETIME
 
-NVCC_GENCODE		= -gencode=arch=compute_35,code=\"sm_35,compute_35\"
-#NVCC_GENCODE		= -gencode=arch=compute_30,code=\"sm_30,compute_30\" -gencode=arch=compute_35,code=\"sm_35,compute_35\"
+#NVCC_GENCODE		= -gencode=arch=compute_35,code=\"sm_35,compute_35\"
+NVCC_GENCODE		= -gencode=arch=compute_30,code=\"sm_30,compute_30\" -gencode=arch=compute_35,code=\"sm_35,compute_35\"
 
 # we're now targeting all major compute architectures within one binary.
 .cu.o: