diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a12b96c4..61e13146 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -51,15 +51,13 @@ if (_GLFW_WAYLAND)
 
     macro(wayland_generate protocol_file output_file)
           add_custom_command(OUTPUT "${output_file}.h"
-              COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" client-header
-              < "${protocol_file}" > "${output_file}.h"
+              COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" client-header "${protocol_file}" "${output_file}.h"
               DEPENDS "${protocol_file}"
               VERBATIM)
           list(APPEND GLFW_WAYLAND_PROTOCOL_SOURCES "${output_file}.h)"
 
           add_custom_command(OUTPUT "${output_file}.c"
-              COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" private-code
-              < "${protocol_file}" > "${output_file}.c"
+              COMMAND "${WAYLAND_SCANNER_EXECUTABLE}" private-code "${protocol_file}" "${output_file}.c"
               DEPENDS "${protocol_file}"
               VERBATIM)