diff --git a/CMakeLists.txt b/CMakeLists.txt
index a624b592..0b354dc1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,7 +65,7 @@ else()
     else()
       cuda_select_nvcc_arch_flags(CUDA_ARCH_FLAGS ${CUDA_ARCHITECTURES})
       message(STATUS "Building with CUDA flags: " "${CUDA_ARCH_FLAGS}")
-      if (NOT "arch=compute_75,code=sm_75" IN_LIST CUDA_ARCH_FLAGS)
+      if (NOT "arch=compute_70,code=sm_70" IN_LIST CUDA_ARCH_FLAGS)
         set(ENABLE_CUDNN_HALF "FALSE" CACHE BOOL "Enable CUDNN Half precision" FORCE)
         message(STATUS "Your setup does not supports half precision (it requires CC >= 7.5)")
       endif()