diff --git a/glhr.cpp b/glhr.cpp
index 00ea7d6d..ead830ea 100644
--- a/glhr.cpp
+++ b/glhr.cpp
@@ -230,7 +230,7 @@ EX void projection_multiply(const glmatrix& m) {
 EX void init();
 
 #if HDR
-struct GLprogram : std::enable_shared_from_this<GLprogram> {
+struct GLprogram {
   GLuint _program;
   GLuint vertShader, fragShader;
 
@@ -453,11 +453,11 @@ EX void colorClear(color_t color) {
   glClearColor(part(color, 3) / 255.0, part(color, 2) / 255.0, part(color, 1) / 255.0, part(color, 0) / 255.0);
 }
 
-EX void full_enable(GLprogram *p) {
+EX void full_enable(shared_ptr<GLprogram> p) {
   auto& cur = current_glprogram;
   flagtype oldflags = cur ? cur->shader_flags : 0;
-  if(p == &*cur) return;
-  cur = p->shared_from_this();
+  if(p == cur) return;
+  cur = p;
   GLERR("pre_switch_mode");
   WITHSHADER({
     glUseProgram(cur->_program);
diff --git a/shaders.cpp b/shaders.cpp
index 1d5e5bae..3a9b7117 100644
--- a/shaders.cpp
+++ b/shaders.cpp
@@ -276,7 +276,7 @@ void display_data::set_projection(int ed) {
     matched_programs[id] = selected;
     }
 
-  if(glhr::current_glprogram != selected) full_enable(&*selected);
+  if(glhr::current_glprogram != selected) full_enable(selected);
 
   shader_flags = selected->shader_flags;
   auto cd = current_display;