diff --git a/recipes/incoming-clib/zlib.toml b/recipes/incoming-clib/zlib.toml
index 18b39447..c6efa026 100644
--- a/recipes/incoming-clib/zlib.toml
+++ b/recipes/incoming-clib/zlib.toml
@@ -22,11 +22,12 @@ compile = '''
 _abuild_phase() {
 # we trade size for a little more speed.
 	export CFLAGS="$CFLAGS -O2"
+	# lab static-musl: sin --shared (evita el test examplesh que linkea la .so con -static y zig rechaza).
 	CHOST="$CHOST" ./configure \
 		--prefix=/usr \
-		--shared \
+		--static \
 		--disable-crcvx
-	make
+	make libz.a
 }
 _abuild_phase
 '''