diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index ba9de99dc9..327322605a 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -2,7 +2,7 @@
 
 RAM_ROOT=/tmp/root
 
-ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
+[ -x /usr/bin/ldd ] || ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
 libs() { ldd $* | awk '{print $3}'; }
 
 install_file() { # <file> [ <file> ... ]