diff --git a/packages/nsis/SCons-Config-gnu.patch b/packages/nsis/SCons-Config-gnu.patch
new file mode 100644
index 000000000..ec6078a75
--- /dev/null
+++ b/packages/nsis/SCons-Config-gnu.patch
@@ -0,0 +1,21 @@
+--- a/SCons/Config/gnu
++++ b/SCons/Config/gnu
+@@ -116,8 +116,6 @@
+ 
+ makensis_env.Append(CPPPATH = ['#$BUILD_CONFIG'])
+ 
+-if not defenv['DEBUG']:
+-	makensis_env.Append(CCFLAGS = ['-O2'])                # optimize
+ makensis_env.Append(CFLAGS = ['-Wall'])                   # all warnings
+ makensis_env.Append(CXXFLAGS = ['-Wno-non-virtual-dtor']) # ignore virtual dtor warnings
+ makensis_env.Append(CXXFLAGS = ['-Wall'])                 # all warnings
+@@ -352,9 +350,6 @@
+ 	return result
+ 
+ conf = defenv.Configure(custom_tests = { 'CheckBigEndian' : check_big_endian })
+-if conf.CheckBigEndian():
+-	makensis_env.Append(CPPDEFINES = ['__BIG_ENDIAN__'])
+-	test_env.Append(CPPDEFINES = ['__BIG_ENDIAN__'])
+ conf.Finish()
+ 
+ if makensis_env['PLATFORM'] == 'hpux':
diff --git a/packages/nsis/Source-ResourceEditor.cpp.patch b/packages/nsis/Source-ResourceEditor.cpp.patch
new file mode 100644
index 000000000..5b5f96600
--- /dev/null
+++ b/packages/nsis/Source-ResourceEditor.cpp.patch
@@ -0,0 +1,11 @@
+--- a/Source/ResourceEditor.cpp
++++ b/Source/ResourceEditor.cpp
+@@ -913,7 +913,7 @@
+   }
+ 
+   FILEVIEW &map = *(FILEVIEW*) &X.Map;
+-  size_t datasize;
++  size_t datasize = 0;
+   char *filedata = create_file_view_readonly(File, map), *data = 0, *dataalloc = 0;
+   if (filedata) {
+     if (resproto) {
diff --git a/packages/nsis/Source-util.cpp.patch b/packages/nsis/Source-util.cpp.patch
new file mode 100644
index 000000000..e6e8cbc9f
--- /dev/null
+++ b/packages/nsis/Source-util.cpp.patch
@@ -0,0 +1,11 @@
+--- a/Source/util.cpp
++++ b/Source/util.cpp
+@@ -736,7 +736,7 @@
+   if (cch && cch < COUNTOF(buftmpdir) && GetTempFileName(buftmpdir, _T("nst"), 0, buf))
+     tfpath = _tcsdup(buf);
+ #else //! _WIN32
+-  char narrowpath[] = ("/tmp/makensisXXXXXX");
++  char narrowpath[] = ("@TERMUX_PREFIX@/tmp/makensisXXXXXX");
+   const mode_t org_umask = umask(0077);
+   int fd = mkstemp(narrowpath);
+   umask(org_umask);
diff --git a/packages/nsis/Source-util.h.patch b/packages/nsis/Source-util.h.patch
new file mode 100644
index 000000000..808ccc9a5
--- /dev/null
+++ b/packages/nsis/Source-util.h.patch
@@ -0,0 +1,11 @@
+--- a/Source/util.h
++++ b/Source/util.h
+@@ -131,7 +131,7 @@
+   friend int fseek(S_t*s, long int offset, int origin)
+   {
+     if ((unsigned long) offset != (size_t) offset) return 1; // long int will usually fit in our size_t
+-    size_t newpos, invalid = 0;
++    size_t newpos = 0, invalid = 0;
+     switch(origin)
+     {
+     case SEEK_SET: newpos = (size_t) offset, invalid = offset < 0; break;
diff --git a/packages/nsis/build.sh b/packages/nsis/build.sh
index e96312b0e..2e936da7d 100644
--- a/packages/nsis/build.sh
+++ b/packages/nsis/build.sh
@@ -5,7 +5,7 @@ TERMUX_PKG_LICENSE="custom"
 TERMUX_PKG_LICENSE_FILE="COPYING"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=3.08
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SRCURL=https://prdownloads.sourceforge.net/nsis/nsis-${TERMUX_PKG_VERSION}-src.tar.bz2
 TERMUX_PKG_SHA256=a85270ad5386182abecb2470e3d7e9bec9fe4efd95210b13551cb386830d1e87
 TERMUX_PKG_DEPENDS="libandroid-support, libc++, libiconv, zlib"