diff --git a/gui/src/app.rs b/gui/src/app.rs
index aa64fef..1b7fc00 100644
--- a/gui/src/app.rs
+++ b/gui/src/app.rs
@@ -218,16 +218,28 @@ impl App {
         }
 
         {
-            let cmdline =
-                fs::read_to_string("/proc/cmdline").expect("Failed to read /proc/cmdline");
-
             // It's overkill to both show and hide the frame, but it needs to be done in set_info because show_all overrides the default hidden state of the frame.
-            if !cmdline.contains("amdgpu.ppfeaturemask") {
-                log::info!("amdgpu.ppfeaturemask not detected, showing the warning");
-                self.root_stack.oc_page.warning_frame.show();
-            } else {
-                log::info!("overclocking support enabled, not showing the warning");
-                self.root_stack.oc_page.warning_frame.hide();
+            match fs::read_to_string("/sys/module/amdgpu/parameters/ppfeaturemask") {
+                Ok(ppfeaturemask) => {
+                    const PP_OVERDRIVE_MASK: i32 = 0x4000;
+
+                    let ppfeaturemask = ppfeaturemask.trim().strip_prefix("0x").unwrap();
+
+                    log::trace!("ppfeaturemask {}", ppfeaturemask);
+
+                    let ppfeaturemask: u64 =
+                        u64::from_str_radix(ppfeaturemask, 16).expect("Invalid ppfeaturemask");
+
+                    if (ppfeaturemask & PP_OVERDRIVE_MASK as u64) > 0 {
+                        self.root_stack.oc_page.warning_frame.hide();
+                    } else {
+                        self.root_stack.oc_page.warning_frame.show();
+                    }
+                }
+                Err(_) => {
+                    log::info!("Failed to read feature mask! This is expected if your system doesn't have an AMD GPU.");
+                    self.root_stack.oc_page.warning_frame.hide();
+                }
             }
         }