diff --git a/CMakeLists.txt b/CMakeLists.txt
index fdccd03027..b4b9370e28 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -115,8 +115,8 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/Binaries)
 if (WIN32)
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/Binary)
 
-	if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
-	  string(APPEND CMAKE_RUNTIME_OUTPUT_DIRECTORY /ARM64)
+  if (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")
+    string(APPEND CMAKE_RUNTIME_OUTPUT_DIRECTORY /ARM64)
   endif()
 
   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
@@ -560,6 +560,11 @@ if(ENABLE_VULKAN)
   add_definitions(-DUSE_VULKAN)
 endif()
 
+if(NOT WIN32 OR (NOT (CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64")))
+  # OpenGL is available on all platforms except windows-arm64
+  add_definitions(-DHAS_OPENGL)
+endif()
+
 find_package(pugixml)
 if(NOT pugixml_FOUND)
   check_vendoring_approved(pugixml)