diff --git a/research/custom_loader/build.sh b/research/custom_loader/build.sh
index d06069c..f7dc694 100755
--- a/research/custom_loader/build.sh
+++ b/research/custom_loader/build.sh
@@ -42,11 +42,12 @@ clang++ -mmacosx-version-min=$VERSION -o $OUT/libb.dylib -shared -Wl,-reexport_l
 clang++ -mmacosx-version-min=$VERSION -o $OUT/a -L"./out" -lb a.cc
 
 # extract symbols from a
-../../macho-go/bin/ios-wrapper remove-imports $OUT/a -o $OUT/a > $OUT/b.h
+../../macho-go/bin/ios-wrapper pepe -o $OUT/a-fixed -b $OUT/b.bcell --remove-imports --remove-exports --remove-symbol-table $OUT/a > $OUT/b.h
 # build libb with symbols extracted from a
 clang++ -mmacosx-version-min=$VERSION -o $OUT/libb.dylib -shared -Wl,-reexport_library out/libc.dylib b.cc
 
-out/a
+codesign --force --deep -s - $OUT/a-fixed
+$OUT/a-fixed
 
 elif [[ $LOGIC -eq 3 ]]
 then
@@ -65,7 +66,13 @@ clang -fobjc-arc -ObjC -mmacosx-version-min=$VERSION -o $OUT/a -L"./out" -lb a.m
 # build libb with symbols extracted from a
 clang++ -mmacosx-version-min=$VERSION -o $OUT/libb.dylib -shared -Wl,-reexport_library out/libc.dylib b.cc
 
-out/a-fixed
+codesign --force --deep -s - $OUT/a-fixed
+
+# export OBJC_PRINT_LOAD_METHODS=1
+# export OBJC_PRINT_CLASS_SETUP=1
+$OUT/a-fixed
+# unset OBJC_PRINT_LOAD_METHODS
+# unset OBJC_PRINT_CLASS_SETUP
 
 else