diff --git a/CHANGELOG.md b/CHANGELOG.md
index eef881b..7d35164 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,12 @@ template:
 -->
 
 
+## Unreleased
+
+#### Fixes:
+- fixed erroneous use of `TOML_API` causing ODR issue (#136) (@Azarael)
+
+
 
 ## [v3.0.0](https://github.com/marzer/tomlplusplus/releases/tag/v3.0.0) - 2022-01-11
 
diff --git a/include/toml++/impl/array.inl b/include/toml++/impl/array.inl
index 8dd644a..7b691ae 100644
--- a/include/toml++/impl/array.inl
+++ b/include/toml++/impl/array.inl
@@ -117,7 +117,7 @@ TOML_NAMESPACE_START
 		elems_.push_back(std::move(elem));
 	}
 
-	TOML_API
+	TOML_EXTERNAL_LINKAGE
 	array::vector_iterator array::insert_at(const_vector_iterator pos, impl::node_ptr && elem)
 	{
 		return elems_.insert(pos, std::move(elem));
diff --git a/toml.hpp b/toml.hpp
index 024973d..d1b8f4d 100644
--- a/toml.hpp
+++ b/toml.hpp
@@ -10412,7 +10412,7 @@ TOML_NAMESPACE_START
 		elems_.push_back(std::move(elem));
 	}
 
-	TOML_API
+	TOML_EXTERNAL_LINKAGE
 	array::vector_iterator array::insert_at(const_vector_iterator pos, impl::node_ptr && elem)
 	{
 		return elems_.insert(pos, std::move(elem));