diff --git a/.gitignore b/.gitignore
index 0e1abb2d0b..b0d4b9df31 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 *~
 *.pyc
 *.egg-info
+*.swp
 build/
 dist/
 docs/_build
diff --git a/conda_build/render.py b/conda_build/render.py
index b0c3237d4e..3df2a84114 100644
--- a/conda_build/render.py
+++ b/conda_build/render.py
@@ -415,7 +415,7 @@ def get_upstream_pins(m: MetaData, precs, env):
     ignore_list = utils.ensure_list(m.get_value("build/ignore_run_exports"))
     additional_specs = {}
     for prec in precs:
-        if any(prec.name in req.split(" ")[0] for req in ignore_pkgs_list):
+        if any((prec.name == req.split(" ")[0]) for req in ignore_pkgs_list):
             continue
         run_exports = None
         if m.config.use_channeldata:
diff --git a/tests/test-recipes/metadata/ignore_run_exports_from_substr/meta.yaml b/tests/test-recipes/metadata/ignore_run_exports_from_substr/meta.yaml
new file mode 100644
index 0000000000..067afc6a2e
--- /dev/null
+++ b/tests/test-recipes/metadata/ignore_run_exports_from_substr/meta.yaml
@@ -0,0 +1,14 @@
+package:
+  name: pkg
+  version: 1.0.0
+
+build:
+  number: 0
+  ignore_run_exports_from:
+    - i-like-python
+
+requirements:
+  host:
+    - conda-forge::python
+  run:
+    - numpy
diff --git a/tests/test_api_build.py b/tests/test_api_build.py
index 83ef4abc9b..9b2f67de8a 100644
--- a/tests/test_api_build.py
+++ b/tests/test_api_build.py
@@ -2122,6 +2122,13 @@ def test_api_build_inject_jinja2_vars_on_first_pass(testing_config):
     api.build(recipe_dir, config=testing_config)
 
 
+def test_ignore_run_exports_from_substr(tmp_path, capsys):
+    with tmp_path:
+        api.build(str(metadata_path / "ignore_run_exports_from_substr"))
+
+    assert "- python_abi " in capsys.readouterr().out
+
+
 @pytest.mark.skipif(not on_linux, reason="One platform is enough")
 def test_build_strings_glob_match(testing_config: Config) -> None:
     """