diff --git a/lib/generate_functions.py b/lib/generate_functions.py
index 9155a4c..24fa48b 100755
--- a/lib/generate_functions.py
+++ b/lib/generate_functions.py
@@ -247,6 +247,9 @@ def fix_pointer(name: str, t: str):
         t = "*anyopaque"
     elif len(pre) == 0:
         t = t.replace("const ", "")
+
+    if name == "rlGetProcAddress":
+        t = "?*const anyopaque"
     return name, t
 
 
diff --git a/lib/rlgl-ext.zig b/lib/rlgl-ext.zig
index 54d19f6..9f2eacd 100644
--- a/lib/rlgl-ext.zig
+++ b/lib/rlgl-ext.zig
@@ -87,7 +87,7 @@ pub extern "c" fn rlSetBlendFactorsSeparate(glSrcRGB: c_int, glDstRGB: c_int, gl
 pub extern "c" fn rlglInit(width: c_int, height: c_int) void;
 pub extern "c" fn rlglClose() void;
 pub extern "c" fn rlLoadExtensions(loader: *anyopaque) void;
-pub extern "c" fn rlGetProcAddress(procName: [*c]const u8) *anyopaque;
+pub extern "c" fn rlGetProcAddress(procName: [*c]const u8) ?*const anyopaque;
 pub extern "c" fn rlGetVersion() c_int;
 pub extern "c" fn rlSetFramebufferWidth(width: c_int) void;
 pub extern "c" fn rlGetFramebufferWidth() c_int;
diff --git a/lib/rlgl.zig b/lib/rlgl.zig
index 1b42266..27de9b4 100644
--- a/lib/rlgl.zig
+++ b/lib/rlgl.zig
@@ -692,7 +692,7 @@ pub fn rlLoadExtensions(loader: *anyopaque) void {
 }
 
 /// Get OpenGL procedure address
-pub fn rlGetProcAddress(procName: [:0]const u8) *anyopaque {
+pub fn rlGetProcAddress(procName: [:0]const u8) ?*const anyopaque {
     return cdef.rlGetProcAddress(@as([*c]const u8, @ptrCast(procName)));
 }