diff --git a/install.sh b/install.sh
index 7390ee2..3af7fb4 100755
--- a/install.sh
+++ b/install.sh
@@ -40,16 +40,21 @@ if ! (cd "$SCRIPT_DIR" && cargo build --release); then
   exit 1
 fi
 
-# Find the binary — handles custom target triples (e.g., CARGO_BUILD_TARGET
-# puts it in target/<triple>/release/ instead of target/release/)
-BINARY="$SCRIPT_DIR/target/release/$BINARY_NAME"
+# Find the binary — respects CARGO_TARGET_DIR, custom target triples, etc.
+# Use cargo metadata as the source of truth for the target directory.
+TARGET_DIR=$(cd "$SCRIPT_DIR" && cargo metadata --format-version 1 --no-deps 2>/dev/null | jq -r '.target_directory' 2>/dev/null) || true
+TARGET_DIR="${TARGET_DIR:-$SCRIPT_DIR/target}"
+
+BINARY="$TARGET_DIR/release/$BINARY_NAME"
 if [[ ! -f "$BINARY" ]]; then
-  BINARY=$(find "$SCRIPT_DIR/target" -name "$BINARY_NAME" -type f -path "*/release/*" ! -name "*.d" 2>/dev/null | head -1)
+  # Fall back to searching (handles custom target triples like target/<triple>/release/)
+  BINARY=$(find "$TARGET_DIR" -name "$BINARY_NAME" -type f -path "*/release/*" ! -name "*.d" 2>/dev/null | head -1)
 fi
 if [[ -z "${BINARY:-}" || ! -f "$BINARY" ]]; then
   echo "ERROR: Build succeeded but binary not found."
-  echo "  Searched: $SCRIPT_DIR/target/*/release/$BINARY_NAME"
-  echo "  Contents: $(ls "$SCRIPT_DIR/target/release/" 2>/dev/null || echo '(no target/release/)')"
+  echo "  Target dir: $TARGET_DIR"
+  echo "  Searched:   $TARGET_DIR/*/release/$BINARY_NAME"
+  echo "  Contents:   $(ls "$TARGET_DIR/release/" 2>/dev/null || echo '(empty or missing)')"
   exit 1
 fi
 echo "[ok] Built: $(ls -lh "$BINARY" | awk '{print $5}')"