diff --git a/include/assimp/material.h b/include/assimp/material.h
index 4d8ac2b6c..b7238f69f 100644
--- a/include/assimp/material.h
+++ b/include/assimp/material.h
@@ -657,7 +657,7 @@ struct aiMaterialProperty
 *  have to stick with the aiMaterialGetXXX family of unbound functions.
 *  The library defines a set of standard keys (AI_MATKEY_XXX).
 */
-struct ASSIMP_API aiMaterial
+struct aiMaterial
 {
 
 #ifdef __cplusplus