diff --git a/lib/spack/spack/environment.py b/lib/spack/spack/environment.py
index 04880d073f..9b9f8c7d17 100644
--- a/lib/spack/spack/environment.py
+++ b/lib/spack/spack/environment.py
@@ -829,8 +829,7 @@ def included_config_scopes(self):
                 scope = spack.config.ConfigScope(config_name, config_path)
             elif os.path.exists(config_path):
                 # files are assumed to be SingleFileScopes
-                base, ext = os.path.splitext(os.path.basename(config_path))
-                config_name = 'env:%s:%s' % (self.name, base)
+                config_name = 'env:%s:%s' % (self.name, config_path)
                 scope = spack.config.SingleFileScope(
                     config_name, config_path, spack.schema.merged.schema)
             else:
diff --git a/lib/spack/spack/test/cmd/env.py b/lib/spack/spack/test/cmd/env.py
index a1c7e8bf01..998dd5d876 100644
--- a/lib/spack/spack/test/cmd/env.py
+++ b/lib/spack/spack/test/cmd/env.py
@@ -547,6 +547,48 @@ def test_with_config_bad_include(env_deactivate, capfd):
     assert 'no/such/file.yaml' in err
 
 
+def test_env_with_include_config_files_same_basename():
+    test_config = """\
+        env:
+            include:
+                - ./path/to/included-config.yaml
+                - ./second/path/to/include-config.yaml
+            specs:
+                [libelf, mpileaks]
+            """
+
+    _env_create('test', StringIO(test_config))
+    e = ev.read('test')
+
+    fs.mkdirp(os.path.join(e.path, 'path', 'to'))
+    with open(os.path.join(
+            e.path,
+            './path/to/included-config.yaml'), 'w') as f:
+        f.write("""\
+        packages:
+          libelf:
+              version: [0.8.10]
+        """)
+
+    fs.mkdirp(os.path.join(e.path, 'second', 'path', 'to'))
+    with open(os.path.join(
+            e.path,
+            './second/path/to/include-config.yaml'), 'w') as f:
+        f.write("""\
+        packages:
+          mpileaks:
+              version: [2.2]
+        """)
+
+    with e:
+        e.concretize()
+
+    environment_specs = e._get_environment_specs(False)
+
+    assert(environment_specs[0].satisfies('libelf@0.8.10'))
+    assert(environment_specs[1].satisfies('mpileaks@2.2'))
+
+
 def test_env_with_included_config_file():
     test_config = """\
 env: