diff --git a/gencat/libs.c b/gencat/libs.c
index 00bd21f..8ae3c7b 100644
--- a/gencat/libs.c
+++ b/gencat/libs.c
@@ -95,6 +95,8 @@ void add_libdir(struct lib *lib, const char *path)
 		de = readdir(dir);
 		if (!de)
 			break;
+		if (strchr(de->d_name, '~'))
+			continue;
 		len = strlen(de->d_name);
 		if (len < 4)
 			continue;