diff --git a/src/shared.c b/src/shared.c
index 08f2389b7..7d12036ed 100644
--- a/src/shared.c
+++ b/src/shared.c
@@ -4184,7 +4184,7 @@ char *get_profile_dir (const char *homedir)
 {
   #define DOT_HASHCAT ".hashcat"
 
-  size_t len = strlen (homedir) + 1 + strlen (DOT_HASHCAT);
+  size_t len = strlen (homedir) + 1 + strlen (DOT_HASHCAT) + 1;
 
   char *profile_dir = (char *) mymalloc (len + 1);
 
@@ -4197,7 +4197,7 @@ char *get_session_dir (const char *profile_dir)
 {
   #define SESSIONS_FOLDER "sessions"
 
-  size_t len = strlen (profile_dir) + 1 + strlen (SESSIONS_FOLDER);
+  size_t len = strlen (profile_dir) + 1 + strlen (SESSIONS_FOLDER) + 1;
 
   char *session_dir = (char *) mymalloc (len + 1);