diff --git a/BUILD_TARGET.md b/BUILD_TARGET.md
index e8e6e78..af95373 100644
--- a/BUILD_TARGET.md
+++ b/BUILD_TARGET.md
@@ -22,12 +22,12 @@ cd workdir
 wget http://ftpmirror.gnu.org/binutils/binutils-2.34.tar.xz
 # or curl -O http://ftpmirror.gnu.org/binutils/binutils-2.34.tar.xz
 tar xf binutils-2.34.tar.xz
-mkdir build # Create a build dir
 ```
 
 ## 3) Build bitcode file using gclang
 ```bash
 cd binutils-2.34
+sudo apt install texinfo
 CC=gclang CXX=gclang++ CFLAGS="-fPIC" ./configure --with-pic
 make -j$(nprocs) # Build in parallel
 cd binutils/
diff --git a/build/install_tools.sh b/build/install_tools.sh
index 293fe32..b4e89db 100755
--- a/build/install_tools.sh
+++ b/build/install_tools.sh
@@ -3,8 +3,8 @@
 set -euxo pipefail
 
 #wllvm and gllvm
-pip3 install --upgrade pip==9.0.3
-pip3 install wllvm
+pip3 install --upgrade pip==9.0.3 --user
+pip3 install wllvm --user
 mkdir ${HOME}/go
 go get github.com/SRI-CSL/gllvm/cmd/...
 
diff --git a/tests/test.sh b/tests/test.sh
index 22b195c..7ddd933 100755
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -24,7 +24,7 @@ fi
 
 
 envs="BUILD_TYPE=${BUILD_TYPE} LOG_TYPE=${LOG_TYPE}"
-fuzzer="../angora_fuzzer"
+fuzzer="../bin/fuzzer"
 input="./input"
 output="./output"
 
diff --git a/tools/compile_bc.py b/tools/compile_bc.py
index d9fccdb..8c65f77 100644
--- a/tools/compile_bc.py
+++ b/tools/compile_bc.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 import sys
 import os
 from pathlib import Path
@@ -43,7 +43,7 @@ def build_pipeline(bc_file, target_flags="@@", profiling_input_dir="in", is_cpp=
     run_cmd(f"opt -load {ID_ASSIGNER_PATH} -idassign -idassign-emit-cfg \
             -idassign-cfg-file cfg.dat {name}.fast.ll")
     #8) Prune targets
-    run_cmd(f"python {PRUNE_SCRIPT_PATH} {targets_file} {name}.diff cmp.map {profiling_input_dir} ./{name}.track {target_flags} > targets.pruned.json")
+    run_cmd(f"python3.8 {PRUNE_SCRIPT_PATH} {targets_file} {name}.diff cmp.map {profiling_input_dir} ./{name}.track {target_flags} > targets.pruned.json")
 
     # Print fuzzing command
     print("You can now run your target application (with SanOpt enabled) using:")