diff --git a/resources/amfi_detect.py b/resources/amfi_detect.py
index dadaa8064..0e09fb80c 100644
--- a/resources/amfi_detect.py
+++ b/resources/amfi_detect.py
@@ -68,7 +68,7 @@ class AmfiConfigurationDetection:
 
         amfi_value = 0
         for arg in self.boot_args:
-            if not arg.startswith("amfi"):
+            if not arg.startswith("amfi="):
                 continue
             try:
                 amfi_value = arg.split("=")