diff --git a/install.sh b/install.sh
index bc1bb75..2280c74 100755
--- a/install.sh
+++ b/install.sh
@@ -6,6 +6,8 @@ BIN_PATH=${HOME}/.local/bin
 mkdir -p $BIN_PATH
 
 cat > $BIN_PATH/pm << EOF
+#!/bin/bash
+
 cd $PWD
 ./pm.pl "\$@"
 cd - >/dev/null 2>/dev/null