diff --git a/share/mk/src.opts.mk b/share/mk/src.opts.mk
index 5363cb6e78f9..28e18260affd 100644
--- a/share/mk/src.opts.mk
+++ b/share/mk/src.opts.mk
@@ -470,6 +470,12 @@ MK_CLANG_FULL:= no
 MK_LLVM_COV:= no
 .endif
 
+.if ${MK_ASAN} == "yes"
+# In order to get sensible backtraces from ASAN we have to install
+# llvm-symbolizer as /usr/bin/addr2line instead of the elftoolchain version.
+MK_LLVM_BINUTILS:=	yes
+.endif
+
 .if ${MK_LLVM_BINUTILS} == "yes"
 # MK_LLVM_CXXFILT is a subset of MK_LLVM_BINUTILS and should therefore be
 # enabled if MK_LLVM_BINUTILS is set.