diff --git a/bin/gsd-from-source b/bin/gsd-from-source
index c1310f887..6c9b4bd68 100755
--- a/bin/gsd-from-source
+++ b/bin/gsd-from-source
@@ -16,7 +16,7 @@
 # Requirements: bun on PATH, node_modules populated (`bun install` once).
 set -euo pipefail
 
-SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+SCRIPT_DIR=$(cd -- "$(dirname -- "$(readlink -f "${BASH_SOURCE[0]}")")" &>/dev/null && pwd)
 GSD_SOURCE_ROOT=$(cd -- "$SCRIPT_DIR/.." &>/dev/null && pwd)
 
 export GSD_BIN_PATH="$SCRIPT_DIR/gsd-from-source"