diff --git a/index/li/libsdl2/libsdl2-external.toml b/index/li/libsdl2/libsdl2-external.toml
index 494280c9..f46ddb79 100644
--- a/index/li/libsdl2/libsdl2-external.toml
+++ b/index/li/libsdl2/libsdl2-external.toml
@@ -8,4 +8,5 @@ maintainers-logins = ["mosteo"]
 kind = "system"
     [external.origin.'case(distribution)']
     'debian|ubuntu' = ["libsdl2-dev"]
+    'arch' = ["sdl2"]
     'msys2' = ["mingw-w64-x86_64-SDL2"]
diff --git a/index/li/libsdl2_image/libsdl2_image-external.toml b/index/li/libsdl2_image/libsdl2_image-external.toml
index ad04648d..faacfe5d 100644
--- a/index/li/libsdl2_image/libsdl2_image-external.toml
+++ b/index/li/libsdl2_image/libsdl2_image-external.toml
@@ -8,4 +8,5 @@ maintainers-logins = ["mosteo"]
 kind = "system"
     [external.origin.'case(distribution)']
     'debian|ubuntu' = ["libsdl2-image-dev"]
+    'arch' = ["sdl2_image"]
     'msys2' = ["mingw-w64-x86_64-SDL2_image"]
diff --git a/index/li/libsdl2_ttf/libsdl2_ttf-external.toml b/index/li/libsdl2_ttf/libsdl2_ttf-external.toml
index 404c18b3..2f6e57e5 100644
--- a/index/li/libsdl2_ttf/libsdl2_ttf-external.toml
+++ b/index/li/libsdl2_ttf/libsdl2_ttf-external.toml
@@ -8,4 +8,5 @@ maintainers-logins = ["mosteo"]
 kind = "system"
     [external.origin.'case(distribution)']
     'debian|ubuntu' = ["libsdl2-ttf-dev"]
+    'arch' = ["sdl2_ttf"]
     'msys2' = ["mingw-w64-x86_64-SDL2_ttf"]