diff --git a/httpie/output/formatters/colors.py b/httpie/output/formatters/colors.py
index 0d9bd12e2f..70797ea2eb 100644
--- a/httpie/output/formatters/colors.py
+++ b/httpie/output/formatters/colors.py
@@ -174,6 +174,7 @@ def get_lexer(
         for name in lexer_names:
             try:
                 lexer = pygments.lexers.get_lexer_by_name(name)
+                break
             except ClassNotFound:
                 pass
 
diff --git a/tests/test_output.py b/tests/test_output.py
index 2242177dbc..ad2075d899 100644
--- a/tests/test_output.py
+++ b/tests/test_output.py
@@ -235,6 +235,10 @@ class TestColors:
             ('foo/json-foo', False, None, 'JSON'),
             ('foo/x-json', False, None, 'JSON'),
             ('application/vnd.comverge.grid+hal+json', False, None, 'JSON'),
+            # When both the subtype name and the `+`-suffix resolve to a lexer,
+            # the name must win (it is tried first). Previously the lexer-name
+            # loop had no break, so the last match -- the suffix -- won instead.
+            ('application/yaml+python', False, None, 'YAML'),
             ('text/plain', True, '{}', 'JSON'),
             ('text/plain', True, 'foo', 'Text only'),
         ]