diff --git a/Modules/FindCUDAToolkit.cmake b/Modules/FindCUDAToolkit.cmake
index a133998372..184922cafe 100644
--- a/Modules/FindCUDAToolkit.cmake
+++ b/Modules/FindCUDAToolkit.cmake
@@ -869,6 +869,28 @@ else()
     endif()
   endfunction()
 
+  macro(_CUDAToolkit_find_failure_message _CUDAToolkit_fail_mode)
+    # Declare error messages now, print later depending on find_package args.
+    if("${_CUDAToolkit_fail_mode}" STREQUAL "GUESS")
+      set(_CUDAToolkit_fail_message "Could not find `nvcc` executable in any searched paths, please set CUDAToolkit_ROOT")
+    elseif("${_CUDAToolkit_fail_mode}" STREQUAL "VARIABLE")
+      set(_CUDAToolkit_fail_message "Could not find `nvcc` executable in path specified by variable CUDAToolkit_ROOT=${CUDAToolkit_ROOT}")
+    else()
+      set(_CUDAToolkit_fail_message "Could not find `nvcc` executable in path specified by environment variable CUDAToolkit_ROOT=$ENV{CUDAToolkit_ROOT}")
+    endif()
+
+    if(CUDAToolkit_FIND_REQUIRED)
+      message(FATAL_ERROR ${_CUDAToolkit_fail_message})
+    else()
+      if(NOT CUDAToolkit_FIND_QUIETLY)
+        message(STATUS ${_CUDAToolkit_fail_message})
+      endif()
+      set(CUDAToolkit_FOUND FALSE)
+      unset(_CUDAToolkit_fail_message)
+      return()
+    endif()
+  endmacro()
+
   # For NVCC we can easily deduce the SDK binary directory from the compiler path.
   if(CMAKE_CUDA_COMPILER_LOADED AND NOT CUDAToolkit_BIN_DIR AND CMAKE_CUDA_COMPILER_ID STREQUAL "NVIDIA")
     get_filename_component(CUDAToolkit_BIN_DIR "${CMAKE_CUDA_COMPILER}" DIRECTORY)
@@ -888,44 +910,17 @@ else()
   endif()
 
   # If the user specified CUDAToolkit_ROOT but the toolkit could not be found, this is an error.
-  if(NOT CUDAToolkit_ROOT_DIR AND (DEFINED CUDAToolkit_ROOT OR DEFINED ENV{CUDAToolkit_ROOT}))
-    # Declare error messages now, print later depending on find_package args.
-    set(fail_base "Could not find nvcc executable in path specified by")
-    set(cuda_root_fail "${fail_base} CUDAToolkit_ROOT=${CUDAToolkit_ROOT}")
-    set(env_cuda_root_fail "${fail_base} environment variable CUDAToolkit_ROOT=$ENV{CUDAToolkit_ROOT}")
-
-    if(CUDAToolkit_FIND_REQUIRED)
-      if(DEFINED CUDAToolkit_ROOT)
-        message(FATAL_ERROR ${cuda_root_fail})
-      elseif(DEFINED ENV{CUDAToolkit_ROOT})
-        message(FATAL_ERROR ${env_cuda_root_fail})
-      endif()
-    else()
-      if(NOT CUDAToolkit_FIND_QUIETLY)
-        if(DEFINED CUDAToolkit_ROOT)
-          message(STATUS ${cuda_root_fail})
-        elseif(DEFINED ENV{CUDAToolkit_ROOT})
-          message(STATUS ${env_cuda_root_fail})
-        endif()
-      endif()
-      set(CUDAToolkit_FOUND FALSE)
-      unset(fail_base)
-      unset(cuda_root_fail)
-      unset(env_cuda_root_fail)
-      return()
-    endif()
+  if(NOT CUDAToolkit_ROOT_DIR AND DEFINED CUDAToolkit_ROOT)
+    _CUDAToolkit_find_failure_message(VARIABLE)
+  elseif(NOT CUDAToolkit_ROOT_DIR AND DEFINED ENV{CUDAToolkit_ROOT})
+    _CUDAToolkit_find_failure_message(ENV)
   endif()
+
   # Try guessing where CUDA is installed
   if(NOT CUDAToolkit_ROOT_DIR)
     _CUDAToolkit_guess_root_dir()
     if(NOT CUDAToolkit_ROOT_DIR)
-      set(CUDAToolkit_FOUND FALSE)
-      if(CUDAToolkit_FIND_REQUIRED)
-        message(FATAL_ERROR "Could not find `nvcc`, please set CUDAToolkit_ROOT.")
-      elseif(NOT CUDAToolkit_FIND_QUIETLY)
-        message(STATUS "Could not find `nvcc`, please set CUDAToolkit_ROOT.")
-      endif()
-      return()
+      _CUDAToolkit_find_failure_message(GUESS)
     endif()
   endif()