diff --git a/astro/kstars/Makefile b/astro/kstars/Makefile
index 4c71a3e9942f..fa6ad3b4766d 100644
--- a/astro/kstars/Makefile
+++ b/astro/kstars/Makefile
@@ -1,42 +1,45 @@
 PORTNAME=	kstars
 DISTVERSION=	3.8.4.1
 PORTEPOCH=	1
 CATEGORIES=	astro kde
 MASTER_SITES=	KDE/stable/${PORTNAME}/${DISTVERSION}/
 
 MAINTAINER=	kde@FreeBSD.org
 COMMENT=	KDE desktop planetarium
 WWW=		https://edu.kde.org/kstars
 
 LICENSE=	GPLv2
 
+# ld: error: failed to open kstars/kstars: Cannot allocate memory
+IGNORE_i386=	fails to build on i386
+
 LIB_DEPENDS=	libXISF.so:graphics/libxisf \
 		libcfitsio.so:astro/cfitsio \
 		libqt6keychain.so:security/qtkeychain@qt6 \
 		libraw.so:graphics/libraw \
 		libgsl.so:math/gsl \
 		libindiclient.so:devel/indi \
 		libopencv_core.so:graphics/opencv \
 		libnova.so:astro/libnova \
 		libstellarsolver6.so:astro/stellarsolver \
 		libwcs.so:astro/wcslib \
 		libcurl.so:ftp/curl
 BUILD_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR} \
 		xplanet:astro/xplanet
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}sqlite3>0:databases/py-sqlite3@${PY_FLAVOR} \
 		xplanet:astro/xplanet
 
 USES=		cmake compiler:c++11-lib desktop-file-utils eigen:3 \
 		gettext gnome kde:6 localbase:ldflags pkgconfig \
 		python qt:6 tar:xz xorg
 USE_GNOME=	glib20
 USE_KDE=	config crash i18n kio newstuff notifications \
 		notifyconfig plotting widgetsaddons xmlgui \
 		ecm:build
 USE_QT=		base datavis3d declarative \
 		svg websockets
 USE_XORG=	x11
 
 CMAKE_ON=	BUILD_WITH_QT6
 
 .include <bsd.port.mk>