diff --git a/build.sh b/build.sh
index 687c65e9..5fc5fb03 100755
--- a/build.sh
+++ b/build.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-ndk-build NDK_TOOLCHAIN_VERSION=4.8 NDK_DEBUG=0 V=0 XASH_SDL=1 -j8 APP_CFLAGS="-w"
+ndk-build NDK_TOOLCHAIN_VERSION=4.8 NDK_DEBUG=0 V=0 XASH_SDL=1 -j 8 APP_CFLAGS="-w -Wl,--no-undefined" APP_LDFLAGS="-Wl,--no-undefined"
 sh gen-version.sh default-release
 rm assets/extras.pak 2>/dev/null
 python2 makepak.py xash-extras assets/extras.pak