diff --git a/lib/meson.build b/lib/meson.build
index 359ac2598..dba4d085a 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -9,7 +9,7 @@ foreach src: libs
             input: src + '.bpf.c',
             command: [bpf_clang, bpf_base_cflags, '-target', 'bpf', libbpf_c_headers, bpf_includes,
                         '-c', '@INPUT@', '-o', '@OUTPUT@'],
-            depends: [libbpf]
+            depends: [libbpf, bpftool_target]
             )
 
   objs += [bpf_o]
diff --git a/meson-scripts/compile_scx_lib b/meson-scripts/compile_scx_lib
index 8692fab0d..62408e67f 100755
--- a/meson-scripts/compile_scx_lib
+++ b/meson-scripts/compile_scx_lib
@@ -9,4 +9,4 @@ dir="$PWD/lib"
 
 libs=`find $dir -type f -name *.bpf.o | grep -v $lib.bpf.o`
 
-"$bpftool" gen object "$output" $libs
+${bpftool} gen object "$output" $libs