diff --git a/builder/frameworks/beken-72xx-sdk.py b/builder/frameworks/beken-72xx-sdk.py
index 4750bf6..5f5da33 100644
--- a/builder/frameworks/beken-72xx-sdk.py
+++ b/builder/frameworks/beken-72xx-sdk.py
@@ -49,6 +49,7 @@ env.Append(
         "-fno-inline-functions",
         "-fno-strict-aliasing",
         "-fsigned-char",
+        "-fno-delete-null-pointer-checks",
         "-Wno-comment",
     ],
     CFLAGS=[
diff --git a/builder/frameworks/realtek-ambz-sdk.py b/builder/frameworks/realtek-ambz-sdk.py
index 6ebf64a..dd18cf5 100644
--- a/builder/frameworks/realtek-ambz-sdk.py
+++ b/builder/frameworks/realtek-ambz-sdk.py
@@ -25,6 +25,7 @@ env.Append(
         "-fno-short-enums",
         "-fomit-frame-pointer",
         "-fsigned-char",
+        "-fno-delete-null-pointer-checks",
     ],
     CFLAGS=[
         "-std=gnu99",