diff --git a/CMakeLists.txt b/CMakeLists.txt
index 72692bf903..6f065ee6ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -707,7 +707,7 @@ if(WITH_CUDA)
         set(HAVE_CUDA 1)
         message(STATUS "CUDA detected: " ${CUDA_VERSION})
 
-		set(CUDA_ARCH_GPU "1.1 1.2 1.3 2.0" CACHE STRING "Specify 'real' GPU architectures to build binaries for")
+        set(CUDA_ARCH_GPU "1.1 1.2 1.3 2.0" CACHE STRING "Specify 'real' GPU architectures to build binaries for")
         set(CUDA_ARCH_PTX "1.1 1.3 2.0" CACHE STRING "Specify 'virtual' PTX architectures to build PTX intermediate code for")       
         
         # Architectures to be searched for in user's input