diff --git a/internal/c/libqb.cpp b/internal/c/libqb.cpp
index 0d3587487..9da76c2ae 100644
--- a/internal/c/libqb.cpp
+++ b/internal/c/libqb.cpp
@@ -27364,7 +27364,7 @@ QB64_GAMEPAD_INIT();
 
 #endif 
           
-    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
+    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
 
     glutInitWindowSize(640,400);//cannot be changed unless display_x(etc) are modified
 
diff --git a/internal/c/parts/core/gl_header_for_parsing/gl.h b/internal/c/parts/core/gl_header_for_parsing/gl.h
index 7bf98a222..d1f244e03 100644
--- a/internal/c/parts/core/gl_header_for_parsing/gl.h
+++ b/internal/c/parts/core/gl_header_for_parsing/gl.h
@@ -1036,6 +1036,12 @@ typedef void (APIENTRY *PFNGLGETCOLORTABLEEXTPROC)(GLenum target,GLenum format,G
 typedef void (APIENTRY *PFNGLGETCOLORTABLEPARAMETERIVEXTPROC)(GLenum target,GLenum pname,GLint *params);
 typedef void (APIENTRY *PFNGLGETCOLORTABLEPARAMETERFVEXTPROC)(GLenum target,GLenum pname,GLfloat *params);
 
+// OpenGL 1.3
+
+#define GL_VERSION_1_3 1
+
+#define GL_MULTISAMPLE 0x809D
+
 #ifdef __cplusplus
 }
 #endif