diff --git a/android/build_androidtc_x86_64.sh b/android/build_androidtc_x86_64.sh
index 7a7a11d812..3525331767 100755
--- a/android/build_androidtc_x86_64.sh
+++ b/android/build_androidtc_x86_64.sh
@@ -12,5 +12,5 @@ export ANDROID_TC="${ANDROID_TC:-$HOME/android-tc}"
 export ANDROID_TC_X86_64="${ANDROID_TC_X86_64:-$ANDROID_TC/x86_64}"
 
 if [ ! -d "${ANDROID_TC_X86_64}/x86_64-linux-android" ]; then
-    "${NDK_ROOT}/build/tools/make-standalone-toolchain.sh" --platform=android-21 --arch=x86_64 --install-dir="${ANDROID_TC_X86_64}" "$@"
+    "${NDK_ROOT}/build/tools/make-standalone-toolchain.sh" --verbose --platform=android-21 --arch=x86_64 --install-dir="${ANDROID_TC_X86_64}" "$@"
 fi
diff --git a/android/build_boinc_x86_64.sh b/android/build_boinc_x86_64.sh
index 84a6f78c7d..5332d3028e 100755
--- a/android/build_boinc_x86_64.sh
+++ b/android/build_boinc_x86_64.sh
@@ -24,8 +24,8 @@ export PATH="$TCBINARIES:$TCINCLUDES/bin:$PATH"
 export CC=x86_64-linux-android-gcc
 export CXX=x86_64-linux-android-g++
 export LD=x86_64-linux-android-ld
-export CFLAGS="--sysroot=$TCSYSROOT -DANDROID -DANDROID_64 -DDECLARE_TIMEZONE -Wall -I$TCINCLUDES/include -O3 -fomit-frame-pointer -fPIE"
-export CXXFLAGS="--sysroot=$TCSYSROOT -DANDROID -DANDROID_64 -Wall -I$TCINCLUDES/include -funroll-loops -fexceptions -O3 -fomit-frame-pointer -fPIE"
+export CFLAGS="--sysroot=$TCSYSROOT -DANDROID -DANDROID_64 -DDECLARE_TIMEZONE -Wall -I$TCINCLUDES/include -O3 -fomit-frame-pointer -fPIE -D__ANDROID_API__=21"
+export CXXFLAGS="--sysroot=$TCSYSROOT -DANDROID -DANDROID_64 -Wall -I$TCINCLUDES/include -funroll-loops -fexceptions -O3 -fomit-frame-pointer -fPIE -D__ANDROID_API__=21"
 export LDFLAGS="-L$TCSYSROOT/usr/lib64 -L$TCINCLUDES/lib64 -llog -fPIE -pie"
 export GDB_CFLAGS="--sysroot=$TCSYSROOT -Wall -g -I$TCINCLUDES/include"
 export PKG_CONFIG_SYSROOT_DIR="$TCSYSROOT"