diff --git a/Makefile b/Makefile
index 9d85b29..d190edb 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ FONTS_TO_INSTALL ?= FiraCode FiraMono Hack
 LOCAL_TOOLS_BIN ?= $(HOME)/.local/bin
 STOW_TARGET ?= $(HOME)
 
-STOW := $(shell command -v stow 2>/dev/null)
+STOW := $(shell command -v /usr/bin/stow 2>/dev/null)
 
 # Compile stow if it doesn't exist
 ifeq ($(STOW),)
diff --git a/stowers/zsh/dot-zshrc.d/02-ssh-agent.sh b/stowers/zsh/dot-zshrc.d/02-ssh-agent.sh
index 586c487..a5cbf09 100644
--- a/stowers/zsh/dot-zshrc.d/02-ssh-agent.sh
+++ b/stowers/zsh/dot-zshrc.d/02-ssh-agent.sh
@@ -1,12 +1,13 @@
 #!/bin/bash
 
+TMPDIR="${TMPDIR:-${XDG_RUNTIME_DIR}}"
+
 if [[ -z "${SSH_CONNECTION}" ]]; then
-    if ! pgrep -u "$USER" ssh-agent >/dev/null; then
-        ssh-agent > "$TMPDIR/ssh-agent.env"
+    if ! pgrep -u "${USER}" ssh-agent >/dev/null; then
+        ssh-agent > "${TMPDIR}/ssh-agent.env"
     fi
 
     if [[ ! -f "${SSH_AUTH_SOCK}" ]]; then
-        source "$TMPDIR/ssh-agent.env" >/dev/null
+        source "${TMPDIR}/ssh-agent.env" >/dev/null
     fi
 fi
-