diff --git a/packages/librsync/build.sh b/packages/librsync/build.sh
index 70f67e4411..9695e6c049 100644
--- a/packages/librsync/build.sh
+++ b/packages/librsync/build.sh
@@ -11,4 +11,4 @@ TERMUX_PKG_DEPENDS="libbz2"
 TERMUX_PKG_BUILD_DEPENDS="libpopt"
 TERMUX_PKG_BREAKS="librsync-dev"
 TERMUX_PKG_REPLACES="librsync-dev"
-TERMUX_PKG_EXTRA_CONFIGURE_ARGS="-DPERL_EXECUTABLE=$(which perl)"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="-DPERL_EXECUTABLE=$(command -v perl)"