diff --git a/GNUmakefile b/GNUmakefile
index f740374f1..45bca5d8a 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -585,6 +585,8 @@ ifneq ($(WASM), 0)
 	@$(MD5SUM) test.wasm
 	GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=gopher_badge         examples/blinky1
 	@$(MD5SUM) test.wasm
+	GOOS=js GOARCH=wasm $(TINYGO) build -size short -o test.wasm -tags=pico                 examples/blinky1
+	@$(MD5SUM) test.wasm
 endif
 	# test all targets/boards
 	$(TINYGO) build -size short -o test.hex -target=pca10040-s132v6     examples/blinky1
diff --git a/src/machine/machine_rp2_pins.go b/src/machine/machine_rp2_pins.go
index 43b31f938..36e9bd629 100644
--- a/src/machine/machine_rp2_pins.go
+++ b/src/machine/machine_rp2_pins.go
@@ -1,4 +1,4 @@
-//go:build rp2040 || rp2350 || gopher_badge
+//go:build rp2040 || rp2350 || gopher_badge || pico
 
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