diff --git a/Makefile b/Makefile
index 3c3c290..cfcedef 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,14 @@
 all: shasums
 
-shasums: raspi_0w.sha256 raspi_2.sha256 raspi_3.sha256 raspi_0w.xz.sha256 raspi_2.xz.sha256 raspi_3.xz.sha256
-xzimages: raspi_0w.img.xz raspi_2.img.xz raspi_3.img.xz
-images: raspi_0w.img raspi_2.img raspi_3.img
-yaml: raspi_0w.yaml raspi_2.yaml raspi_3.yaml
+# List all the supported and built Pi platforms here. They get expanded
+# to names like 'raspi_2.yaml' and 'raspi_0w.img.xz'.
+BUILD_PLATFORMS := 0w 2 3
+
+platforms := $(addprefix raspi_,$(BUILD_PLATFORMS))
+shasums: $(addsuffix .sha256,$(platforms)) $(addsuffix .xz.sha256,$(platforms))
+xzimages: $(addsuffix .img.xz,$(platforms))
+images: $(addsuffix .img,$(platforms))
+yaml: $(addsuffix .yaml,$(platforms))
 
 raspi_0w.yaml: raspi_master.yaml
 	cat raspi_master.yaml | sed "s/__ARCH__/armel/" | \
@@ -49,17 +54,17 @@ _ck_root:
 	[ `whoami` = 'root' ] # Only root can summon vmdb2 ☹
 
 _clean_yaml:
-	rm -f raspi_0w.yaml raspi_2.yaml raspi_3.yaml
+	rm -f $(addsuffix .yaml,$(platforms))
 _clean_images:
-	rm -f raspi_0w.img raspi_2.img raspi_3.img
+	rm -f $(addsuffix .img,$(platforms))
 _clean_xzimages:
-	rm -f raspi_0w.img.xz raspi_2.img.xz raspi_3.img.xz
+	rm -f $(addsuffix .img.xz,$(platforms))
 _clean_shasums:
-	rm -f raspi_0w.sha256 raspi_2.sha256 raspi_3.sha256 raspi_0w.xz.sha256 raspi_2.xz.sha256 raspi_3.xz.sha256
+	rm -f $(addsuffix .sha256,$(platforms)) $(addsuffix .xz.sha256,$(platforms))
 _clean_logs:
-	rm -f raspi_0w.log raspi_2.log raspi_3.log
+	rm -f $(addsuffix .log,$(platforms))
 _clean_tarballs:
-	rm -f raspi_0w.tar.gz raspi_2.tar.gz raspi_3.tar.gz
+	rm -f $(addsuffix .tar.gz,$(platforms))
 clean: _clean_xzimages _clean_images _clean_shasums _clean_yaml _clean_tarballs _clean_logs
 
 .PHONY: _ck_root _build_img clean _clean_images _clean_yaml _clean_tarballs _clean_logs