diff --git a/src/rct2.c b/src/rct2.c
index 396c5920ee..7fbeb00839 100644
--- a/src/rct2.c
+++ b/src/rct2.c
@@ -510,5 +510,5 @@ uint32 get_file_extension_type(const utf8 *path)
 	if (strcicmp(extension, ".sc6") == 0) return FILE_EXTENSION_SC6;
 	if (strcicmp(extension, ".sv6") == 0) return FILE_EXTENSION_SV6;
 	if (strcicmp(extension, ".td6") == 0) return FILE_EXTENSION_TD6;
-    return FILE_TYPE_UNKNOWN;
+	return FILE_EXTENSION_UNKNOWN;
 }
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