diff --git a/src/renderer/mod.rs b/src/renderer/mod.rs
index 81ac7fd4..10d3d838 100644
--- a/src/renderer/mod.rs
+++ b/src/renderer/mod.rs
@@ -1039,7 +1039,7 @@ impl ShaderProgram {
 
         let shader = unsafe {
             let shader = gl::CreateShader(kind);
-            gl::ShaderSource(shader, 1, &(source.as_ptr() as *const i8), len.as_ptr());
+            gl::ShaderSource(shader, 1, &(source.as_ptr() as *const _), len.as_ptr());
             gl::CompileShader(shader);
             shader
         };