diff --git a/set_env_vars b/set_env_vars
index 1c15a00e5ec0871d0bd0f40d48708c57542ed44d..78cc990cdb8e2d3a9013026e2c7a4d3ba6d4d8a7 100644
--- a/set_env_vars
+++ b/set_env_vars
@@ -36,3 +36,4 @@ export SCONSFLAGS="exceptions=1 x86=1 tool=1 hprof=0 cpuprof=0 lm_required=false
 # adjust to your SVN username
 #export SVN_USERNAME=$USER
 
+export PS_OBJDUMP=`which objdump`