diff --git a/third-party/mozjpeg/BUCK b/third-party/mozjpeg/BUCK
index e29dd4d348..379603ce42 100644
--- a/third-party/mozjpeg/BUCK
+++ b/third-party/mozjpeg/BUCK
@@ -23,16 +23,18 @@ genrule(
     """
     set -ex
 
-    BUILD_ARCH="arm64"
-
     mkdir -p "$OUT"
+    mkdir -p "$OUT/Public/mozjpeg"
+    mkdir -p "$OUT/Public/lib"
+
+    CMAKE_DIR="$(location //third-party/cmake:cmake)/cmake-3.16.0"
+
+    BUILD_ARCH="arm64"
 
     BUILD_DIR="$OUT/$BUILD_ARCH"
     rm -rf "$BUILD_DIR"
     mkdir -p "$BUILD_DIR"
 
-    CMAKE_DIR="$(location //third-party/cmake:cmake)/cmake-3.16.0"
-
     cp "$SRCDIR/build-mozjpeg-buck.sh" "$BUILD_DIR/"
 
     cp -R "$SRCDIR/mozjpeg" "$BUILD_DIR/"
@@ -41,17 +43,27 @@ genrule(
 
     PATH="$PATH:$CMAKE_DIR/bin" sh $BUILD_DIR/build-mozjpeg-buck.sh $BUILD_ARCH "$BUILD_DIR/mozjpeg" "$BUILD_DIR"
 
-    mkdir -p $OUT/Public/mozjpeg
-    mkdir -p $OUT/Public/lib
-
     cp $BUILD_DIR/mozjpeg/turbojpeg.h "$OUT/Public/mozjpeg/"
     cp $BUILD_DIR/mozjpeg/jpeglib.h "$OUT/Public/mozjpeg/"
     cp $BUILD_DIR/mozjpeg/jmorecfg.h "$OUT/Public/mozjpeg/"
     cp $BUILD_DIR/build/jconfig.h "$OUT/Public/mozjpeg/"
 
-    cp $BUILD_DIR/build/libjpeg.a "$OUT/Public/lib/"
-    cp $BUILD_DIR/build/libturbojpeg.a "$OUT/Public/lib/"
+    BUILD_ARCH="armv7"
 
+    BUILD_DIR="$OUT/$BUILD_ARCH"
+    rm -rf "$BUILD_DIR"
+    mkdir -p "$BUILD_DIR"
+
+    cp "$SRCDIR/build-mozjpeg-buck.sh" "$BUILD_DIR/"
+
+    cp -R "$SRCDIR/mozjpeg" "$BUILD_DIR/"
+
+    mkdir -p "$BUILD_DIR/Public/mozjpeg"
+
+    PATH="$PATH:$CMAKE_DIR/bin" sh $BUILD_DIR/build-mozjpeg-buck.sh $BUILD_ARCH "$BUILD_DIR/mozjpeg" "$BUILD_DIR"
+
+    lipo -create $OUT/arm64/build/libjpeg.a $OUT/armv7/build/libjpeg.a -output $OUT/Public/lib/libjpeg.a
+    lipo -create $OUT/arm64/build/libturbojpeg.a $OUT/armv7/build/libturbojpeg.a -output $OUT/Public/lib/libturbojpeg.a
     """,
     out = "libmozjpeg",
     visibility = [