diff --git a/libsanitizer/hwasan/Makefile.am b/libsanitizer/hwasan/Makefile.am
index 36c0fc4d9e832dfc81c72d2d05c2b327589daee2..4d9f6b9bfb6ce81fa26d028ba37be055ad0d645f 100644
--- a/libsanitizer/hwasan/Makefile.am
+++ b/libsanitizer/hwasan/Makefile.am
@@ -3,7 +3,7 @@ AM_CPPFLAGS = -I $(top_srcdir)/include -I $(top_srcdir)
 # May be used by toolexeclibdir.
 gcc_version := $(shell @get_gcc_base_ver@ $(top_srcdir)/../gcc/BASE-VER)
 
-DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=0
+DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=0 -DHWASAN_WITH_INTERCEPTORS=1
 AM_CXXFLAGS = -Wall -W -Wno-unused-parameter -Wwrite-strings -pedantic -Wno-long-long  -fPIC -fno-builtin -fno-exceptions -fno-rtti -fomit-frame-pointer -funwind-tables -fvisibility=hidden -Wno-variadic-macros -fno-ipa-icf
 AM_CXXFLAGS += $(LIBSTDCXX_RAW_CXX_CXXFLAGS)
 AM_CXXFLAGS += -std=gnu++11
diff --git a/libsanitizer/hwasan/Makefile.in b/libsanitizer/hwasan/Makefile.in
index 472fbf7d8d2a5311db8fe4c14376f9213cdddde4..5fec6788f2c87c86812b6ac81f7705608f49b4e0 100644
--- a/libsanitizer/hwasan/Makefile.in
+++ b/libsanitizer/hwasan/Makefile.in
@@ -270,7 +270,7 @@ CXXCPP = @CXXCPP@
 CXXDEPMODE = @CXXDEPMODE@
 CXXFLAGS = @CXXFLAGS@
 CYGPATH_W = @CYGPATH_W@
-DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=0
+DEFS = -D_GNU_SOURCE -D_DEBUG -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -DCAN_SANITIZE_UB=0 -DHWASAN_WITH_INTERCEPTORS=1
 DEPDIR = @DEPDIR@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@