diff --git a/recipe/build-lib.sh b/recipe/build-lib.sh
index 156a9c67..50dde88b 100644
--- a/recipe/build-lib.sh
+++ b/recipe/build-lib.sh
@@ -5,17 +5,17 @@ if [ ${cuda_compiler_version} != "None" ]; then
     # docs.nvidia.com/cuda/cuda-toolkit-release-notes/index.html#major-components__table-cuda-toolkit-driver-versions
     # docs.nvidia.com/cuda/cuda-compiler-driver-nvcc/index.html#gpu-feature-list
     if [ ${cuda_compiler_version} == "9.2" ]; then
-        CUDA_ARCH="-gencode=arch=compute_35,code=compute_35"
+        CUDA_ARCH="-gencode arch=compute_35,code=compute_35 "
     fi
-    CUDA_ARCH="${CUDA_ARCH} -gencode=arch=compute_50,code=compute_50"
-    CUDA_ARCH="${CUDA_ARCH} -gencode=arch=compute_52,code=compute_52"
-    CUDA_ARCH="${CUDA_ARCH} -gencode=arch=compute_60,code=compute_60"
-    CUDA_ARCH="${CUDA_ARCH} -gencode=arch=compute_61,code=compute_61"
-    CUDA_ARCH="${CUDA_ARCH} -gencode=arch=compute_70,code=compute_70"
-    CUDA_ARCH="${CUDA_ARCH} -gencode=arch=compute_72,code=compute_72"
+    #CUDA_ARCH="${CUDA_ARCH}-gencode=arch=compute_50,code=compute_50 "
+    #CUDA_ARCH="${CUDA_ARCH}-gencode=arch=compute_52,code=compute_52 "
+    CUDA_ARCH="${CUDA_ARCH}-gencode=arch=compute_60,code=compute_60 "
+    CUDA_ARCH="${CUDA_ARCH}-gencode=arch=compute_61,code=compute_61 "
+    CUDA_ARCH="${CUDA_ARCH}-gencode=arch=compute_70,code=compute_70 "
+    CUDA_ARCH="${CUDA_ARCH}-gencode=arch=compute_72,code=compute_72 "
     # compare part of cuda_compiler_version before the dot
     if [ ${cuda_compiler_version%.*} == "10" ]; then
-        CUDA_ARCH="${CUDA_ARCH} -gencode=arch=compute_75,code=compute_75"
+        CUDA_ARCH="${CUDA_ARCH}-gencode=arch=compute_75,code=compute_75"
     fi
 
     # wrap CUDA_ARCH in quotes
@@ -28,7 +28,7 @@ echo $CUDA_CONFIG_ARG
 # Build vanilla version (no avx)
 ./configure --prefix=${PREFIX} --exec-prefix=${PREFIX} \
   --with-blas=-lblas --with-lapack=-llapack \
-  ${CUDA_CONFIG_ARG}
+  ${CUDA_CONFIG_ARG} && exit 1
 
 echo $CUDA_CONFIG_ARG
 # make sets SHAREDEXT correctly for linux/osx