diff --git a/sourcecode/install.sh b/sourcecode/install.sh
index e07c36a..a2918bb 100755
--- a/sourcecode/install.sh
+++ b/sourcecode/install.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-set -eux
+set -eu
 
 GOINSTALL=
 SSHFS=
diff --git a/sourcecode/sshfs-map/Makefile b/sourcecode/sshfs-map/Makefile
index a194b35..242b7a2 100644
--- a/sourcecode/sshfs-map/Makefile
+++ b/sourcecode/sshfs-map/Makefile
@@ -2,6 +2,8 @@ SRC = sshfs-map.c
 OBJ = sshfs-map
 UOBJ = sshfs-unmap
 
+CFLAGS = -g3 -ggdb -O2
+
 DESTDIR ?= /
 PREFIX ?= usr/local