diff --git a/lib/generate_functions.py b/lib/generate_functions.py
index 4e38f16..2fb26e4 100755
--- a/lib/generate_functions.py
+++ b/lib/generate_functions.py
@@ -122,6 +122,8 @@ def add_namespace_to_type(t: str) -> str:
 def make_return_cast(source_type: str, dest_type: str, inner: str) -> str:
     if source_type == dest_type:
         return inner
+    if "ExportImageToMemory" in inner:
+        return f"{inner}[0..@as(usize, @intCast(fileSize.*))]"
     if source_type in ["[*c]const u8", "[*c]u8"]:
         return f"std.mem.span({inner})"
 
diff --git a/lib/raylib.zig b/lib/raylib.zig
index f03dc08..1603144 100644
--- a/lib/raylib.zig
+++ b/lib/raylib.zig
@@ -3838,7 +3838,7 @@ pub fn exportImage(image: Image, fileName: [:0]const u8) bool {
 
 /// Export image to memory buffer
 pub fn exportImageToMemory(image: Image, fileType: [:0]const u8, fileSize: *i32) [:0]u8 {
-    return std.mem.span(cdef.ExportImageToMemory(image, @as([*c]const u8, @ptrCast(fileType)), @as([*c]c_int, @ptrCast(fileSize))));
+    return cdef.ExportImageToMemory(image, @as([*c]const u8, @ptrCast(fileType)), @as([*c]c_int, @ptrCast(fileSize)))[0..@as(usize, @intCast(fileSize.*))];
 }
 
 /// Export image as code file defining an array of bytes, returns true on success