diff --git a/graphics/azpainter/Makefile b/graphics/azpainter/Makefile
index 2891a1219992..ee9bd422ad9d 100644
--- a/graphics/azpainter/Makefile
+++ b/graphics/azpainter/Makefile
@@ -17,7 +17,7 @@ USES=		compiler:c11 desktop-file-utils gmake jpeg pkgconfig \
 		shared-mime-info tar:xz xorg
 USE_XORG=	x11 xext xi
 HAS_CONFIGURE=	yes
-CONFIGURE_ARGS=	--docdir="${DOCSDIR}" CC="${CC}"
+CONFIGURE_ARGS=	--docdir="${DOCSDIR}" CC="${CC}" LIBS="-lz"
 
 PORTDOCS=	AUTHORS ChangeLog ReadMe_en ReadMe_ja manual_ja.html