diff --git a/build/tools/extract_utils.sh b/build/tools/extract_utils.sh
index 1a3a895..e62d46a 100755
--- a/build/tools/extract_utils.sh
+++ b/build/tools/extract_utils.sh
@@ -967,7 +967,33 @@
         fi
         local DEST="$OUTPUT_DIR/$FROM"
 
-        if [ "$SRC" = "adb" ]; then
+        # Check pinned files
+        local HASH="${HASHLIST[$i-1]}"
+        local KEEP=""
+        if [ "$DISABLE_PINNING" != "1" ] && [ ! -z "$HASH" ] && [ "$HASH" != "x" ]; then
+            if [ -f "$DEST" ]; then
+                local PINNED="$DEST"
+            else
+                local PINNED="$TMP_DIR/$FROM"
+            fi
+            if [ -f "$PINNED" ]; then
+                if [ "$(uname)" == "Darwin" ]; then
+                    local TMP_HASH=$(shasum "$PINNED" | awk '{print $1}' )
+                else
+                    local TMP_HASH=$(sha1sum "$PINNED" | awk '{print $1}' )
+                fi
+                if [ "$TMP_HASH" = "$HASH" ]; then
+                    KEEP="1"
+                    if [ ! -f "$DEST" ]; then
+                        cp -p "$PINNED" "$DEST"
+                    fi
+                fi
+            fi
+        fi
+
+        if [ "$KEEP" = "1" ]; then
+            printf '    + (keeping pinned file with hash %s)\n' "$HASH"
+        elif [ "$SRC" = "adb" ]; then
             # Try CM target first
             adb pull "/$TARGET" "$DEST"
             # if file does not exist try OEM target