diff --git a/.chezmoiexternals/qt5ct.toml b/.chezmoiexternals/qt5ct.toml
index 34acbdc..824b93d 100644
--- a/.chezmoiexternals/qt5ct.toml
+++ b/.chezmoiexternals/qt5ct.toml
@@ -1,4 +1,4 @@
-{{- if ne .chezmoi.hostname "marleycentre" -}}
+{{- if (and (ne .chezmoi.hostname "marleycentre") (eq .chezmoi.os "linux")) -}}
 [".config/qt5ct/colors/Catppuccin-Frappe.conf"]
 type = "file"
 url = "https://raw.githubusercontent.com/catppuccin/qt5ct/main/themes/Catppuccin-Frappe.conf"
diff --git a/.chezmoiexternals/zathura.toml b/.chezmoiexternals/zathura.toml
index 8e20ff7..24a7848 100644
--- a/.chezmoiexternals/zathura.toml
+++ b/.chezmoiexternals/zathura.toml
@@ -1,4 +1,4 @@
-{{- if ne .chezmoi.hostname "marleycentre" -}}
+{{- if (and (ne .chezmoi.hostname "marleycentre") (eq .chezmoi.os "linux")) -}}
 [".config/zathura/catppuccin-frappe"]
 type = "file"
 url = "https://raw.githubusercontent.com/catppuccin/zathura/main/src/catppuccin-frappe"