diff --git a/cmake/include-what-you-use.cmake b/cmake/include-what-you-use.cmake
index 53556e7a..1b5c9cc0 100644
--- a/cmake/include-what-you-use.cmake
+++ b/cmake/include-what-you-use.cmake
@@ -86,10 +86,10 @@ macro(_process_iwyu_arguments offset log_postfix)
         set(_enable_iwyu_PROGRAM include-what-you-use)
     endif()
 
-    find_program(IWYU_PATH ${_enable_iwyu_PROGRAM})
-    if(IWYU_PATH)
+    find_program(_iwyu_path ${_enable_iwyu_PROGRAM})
+    if(_iwyu_path)
         if(NOT _enable_iwyu_QUIET)
-            message(STATUS "  Executable: ${IWYU_PATH}")
+            message(STATUS "  Executable: ${_iwyu_path}")
         endif()
     else()
         if(DEFINED _error_log_level)