diff --git a/cad/ngspice_rework/Makefile b/cad/ngspice_rework/Makefile
index f19571e35603..54616f3e9369 100644
--- a/cad/ngspice_rework/Makefile
+++ b/cad/ngspice_rework/Makefile
@@ -14,6 +14,8 @@ LICENSE=	BSD3CLAUSE BSD4CLAUSE LGPL21+
 LICENSE_COMB=	multi
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BROKEN_aarch64=	Fails to link: missing sbrk
+
 LIB_DEPENDS=	libfftw3.so:math/fftw3
 
 FLAVORS=	x11 shlib
diff --git a/lang/gnu-apl/Makefile b/lang/gnu-apl/Makefile
index 2af634ba7a5a..cc9b53442056 100644
--- a/lang/gnu-apl/Makefile
+++ b/lang/gnu-apl/Makefile
@@ -13,6 +13,8 @@ COMMENT=	Free interpreter for APL programming language
 
 LICENSE=	GPLv3+
 
+BROKEN_aarch64=	Fails to link: missing sbrk
+
 # XXX: should be optional, but no way to disable in the configure script
 LIB_DEPENDS=	libfftw3.so:math/fftw3
 
diff --git a/mail/dbmail/Makefile b/mail/dbmail/Makefile
index f5b985c6cca1..28e58c29c458 100644
--- a/mail/dbmail/Makefile
+++ b/mail/dbmail/Makefile
@@ -11,6 +11,8 @@ COMMENT=	SQL database-based mail system (POP3 and IMAP)
 
 LICENSE=	GPLv2
 
+BROKEN_aarch64=	Fails to link: missing sbrk
+
 LIB_DEPENDS=	libgmime-2.6.so:mail/gmime26 \
 		libzdb.so:databases/libzdb \
 		libmhash.so:security/mhash \