--- a/src/imap/test-imap-client-hibernate.c	2021-01-05 11:42:53.073912808 +0300
+++ b/src/imap/test-imap-client-hibernate.c	2021-01-05 11:43:49.790616213 +0300
@@ -19,7 +19,7 @@
 
 #include <sys/stat.h>
 
-#define TEMP_DIRNAME ".test-imap-client-hibernate"
+#define TEMP_DIRNAME ".t-ic-h" /* test-imap-client-hibernate */
 
 #define EVILSTR "\t\r\n\001"