diff --git a/scripts/install.sh b/scripts/install.sh
index fbd4737..375ba81 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -164,6 +164,7 @@ if [ -z "$ASSET_URL" ]; then
   ASSET_URL="$(echo "$FALLBACK_OUT" | head -1)"
   if [ -n "$ASSET_URL" ]; then
     VERSION="$(echo "$FALLBACK_OUT" | tail -1)"
+    TARBALL="orca-${VERSION}-${OS}-${ARCH}.tar.gz"
     info "WARNING: falling back to ${VERSION} which has orca-${VERSION}-${OS}-${ARCH}.tar.gz."
   else
     err "could not find any release with a ${OS}-${ARCH} tarball in the last 50 releases. Check that a release exists with a linux-${ARCH} binary."
diff --git a/scripts/tests/install_test.bash b/scripts/tests/install_test.bash
index a7cb722..8869903 100644
--- a/scripts/tests/install_test.bash
+++ b/scripts/tests/install_test.bash
@@ -39,6 +39,29 @@ load test_helper
 	assert_contains "$output" "dry-run (--check)"
 }
 
+@test "install.sh fallback walk syncs TARBALL to fallback version (REQ-132 regression)" {
+	# Regression guard: when the fallback walk reassigns VERSION, the
+	# TARBALL variable must be recomputed too. v0.14.2 is a release with
+	# no binary asset; the installer must walk back to an earlier release.
+	# The dry-run "would install" line must reference the SAME fallback
+	# version as the "falling back to" line — not the stale pinned one.
+	# Before the fix, TARBALL stayed at the pinned v0.14.2 name while
+	# VERSION became the fallback, causing grep|sha256sum to see no
+	# matching checksum line and REQ-132 to refuse install.
+	skip_if_no_network
+	run timeout 60 "$SCRIPTS_DIR/install.sh" --check --version v0.14.2
+	assert_status 0 "$status"
+	assert_contains "$output" "falling back"
+	# Capture the fallback version from the "falling back to vX.Y.Z" line.
+	fb_version="$(printf '%s\n' "$output" | sed -n 's/.*falling back to \(v[0-9][0-9.]*\).*/\1/p' | head -1)"
+	[ -n "$fb_version" ] || { echo "could not parse fallback version from output: $output" >&2; return 1; }
+	# The dry-run "would install" line must use the fallback version,
+	# proving VERSION and TARBALL are in sync (not the stale pinned v0.14.2).
+	assert_contains "$output" "would install:  orca ${fb_version}"
+	# And it must NOT reference the stale pinned version in the install line.
+	assert_not_contains "$output" "would install:  orca v0.14.2"
+}
+
 @test "install.sh rejects unknown arguments" {
 	run "$SCRIPTS_DIR/install.sh" --bogus-flag
 	[ "$status" -ne 0 ]