diff --git a/lib/packages.sh b/lib/packages.sh
index a33bfc4..35181cc 100644
--- a/lib/packages.sh
+++ b/lib/packages.sh
@@ -35,7 +35,14 @@ install_sunshine() {
       warn "sunshine-bin has unresolved shared library deps (rolling-Arch library drift)."
       warn "Falling back to the source build (AUR 'sunshine'). This takes ~5-10 minutes."
       ldd "$(command -v sunshine)" 2>/dev/null | grep 'not found' | sed 's/^/    /' >&2 || true
-      as_root pacman -Rns --noconfirm sunshine-bin
+      # Remove both sunshine-bin AND its sibling sunshine-bin-debug, otherwise
+      # the source build's sunshine-debug package collides on
+      # /usr/lib/debug/usr/bin/sunshine.debug.
+      for stale in sunshine-bin-debug sunshine-bin; do
+        if pacman -Qi "$stale" >/dev/null 2>&1; then
+          as_root pacman -Rns --noconfirm "$stale"
+        fi
+      done
       SUNSHINE_PKG="sunshine"
       yay_install sunshine
       if ! sunshine_runtime_deps_ok; then
diff --git a/uninstall.sh b/uninstall.sh
index 5f1be2f..18f67ca 100755
--- a/uninstall.sh
+++ b/uninstall.sh
@@ -42,7 +42,8 @@ if loginctl show-user "$USER" -p Linger --value 2>/dev/null | grep -qx yes; then
 fi
 
 step "Removing packages"
-for pkg in sunshine sunshine-bin; do
+# Remove -debug siblings first so they don't collide with re-installation later.
+for pkg in sunshine-debug sunshine-bin-debug sunshine sunshine-bin; do
   if pacman -Qi "$pkg" >/dev/null 2>&1; then
     as_root pacman -Rns --noconfirm "$pkg"
   fi