diff --git a/include/fmt/core.h b/include/fmt/core.h
index 45bf19bb..0d51998f 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -224,7 +224,7 @@
 #  define FMT_EXTERN_TEMPLATE_API
 #endif
 #ifndef FMT_INSTANTIATION_DEF_API
-#  define FMT_INSTANTIATION_DEF_API FMT_API
+#  define FMT_INSTANTIATION_DEF_API
 #endif
 
 #ifndef FMT_HEADER_ONLY