diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1935d3f4..3bffdcfd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ Modifications by (in alphabetical order):
 * P. Hill, University of York, UK
 * I. Kavcic, UK Met Office
 * A. Morvan, Bull S. A. S., France
+* N. M. Nobre, Science & Technology Facilities Council, UK
 * A. R. Porter, Science & Technology Facilities Council, UK
 * B. Reuter, ECMWF, UK
 * S. Siso, Science & Technology Facilities Council, UK
@@ -20,6 +21,10 @@ Modifications by (in alphabetical order):
 * P. Vitt, University of Siegen, Germany
 * A. Voysey, UK Met Office
 
+15/12/2025 PR #487. Adds interfaces to the set of things a module provides.
+           Fixes fparser1 errors such as "fparser.common.utils.AnalyzeError:
+           entity name 'dummy_code' is not in module 'dummy_mod'"
+
 25/11/2025 PR #488 for #483. Do not recognize inline comments as Directives.
 
 31/10/2025 PR #486 for #483. Recognize any comment that begins ``!$``, ``c$`` or ``*$`` followed by
diff --git a/src/fparser/one/statements.py b/src/fparser/one/statements.py
index 6ac77911..987ffe16 100644
--- a/src/fparser/one/statements.py
+++ b/src/fparser/one/statements.py
@@ -1345,6 +1345,7 @@ def analyze(self):  # pylint: disable=invalid-name
         renames = [split_comma(item, comma="=>") for item in self.items if "=>" in item]
         norenames = [item for item in self.items if "=>" not in item]
         all_mod_provides = dict(module.a.module_provides)
+        all_mod_provides.update(module.a.module_interface)
         all_mod_provides.update(module.a.use_provides)
         if self.isonly:
             # populate use_provides with items/renames only.