diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 6a2d7092c..5274de426 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -44,6 +44,8 @@ QMAKE_LFLAGS *= -fstack-protector-all
 QMAKE_CXXFLAGS *= -D_FORTIFY_SOURCE=2 -Wl,-z,relro -Wl,-z,now
 # for extra security on Windows: enable ASLR and DEP via GCC linker flags
 win32:QMAKE_LFLAGS *= -Wl,--dynamicbase -Wl,--nxcompat
+# on Windows: enable GCC large address aware linker flag
+win32:QMAKE_LFLAGS *= -Wl,--large-address-aware
 
 # use: qmake "USE_QRCODE=1"
 # libqrencode (http://fukuchi.org/works/qrencode/index.en.html) must be installed for support
diff --git a/src/makefile.linux-mingw b/src/makefile.linux-mingw
index ff565f2a2..efbce1f04 100644
--- a/src/makefile.linux-mingw
+++ b/src/makefile.linux-mingw
@@ -33,7 +33,8 @@ LIBS= \
 DEFS=-D_MT -DWIN32 -D_WINDOWS -DBOOST_THREAD_USE_LIB -DBOOST_SPIRIT_THREADSAFE
 DEBUGFLAGS=-g
 CFLAGS=-O2 -w -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter $(DEBUGFLAGS) $(DEFS) $(INCLUDEPATHS)
-LDFLAGS=-Wl,--dynamicbase -Wl,--nxcompat
+# enable: ASLR, DEP and large address aware
+LDFLAGS=-Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware
 
 TESTDEFS = -DTEST_DATA_DIR=$(abspath test/data)
 
diff --git a/src/makefile.mingw b/src/makefile.mingw
index 9a6680bf4..a7a57a2a2 100644
--- a/src/makefile.mingw
+++ b/src/makefile.mingw
@@ -28,7 +28,8 @@ LIBS= \
 DEFS=-DWIN32 -D_WINDOWS -DBOOST_THREAD_USE_LIB -DBOOST_SPIRIT_THREADSAFE
 DEBUGFLAGS=-g
 CFLAGS=-mthreads -O2 -w -Wall -Wextra -Wformat -Wformat-security -Wno-unused-parameter $(DEBUGFLAGS) $(DEFS) $(INCLUDEPATHS)
-LDFLAGS=-Wl,--dynamicbase -Wl,--nxcompat
+# enable: ASLR, DEP and large address aware
+LDFLAGS=-Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware
 
 TESTDEFS = -DTEST_DATA_DIR=$(abspath test/data)