1 files changed, 1 insertions, 1 deletions

diff --git a/src/firejail/env.c b/src/firejail/env.c
index 3f39b7cca..73d68724e 100644
--- a/src/firejail/env.c
+++ b/src/firejail/env.c
@@ -149,7 +149,7 @@ void env_defaults(void) {
         }
         else {
                 // remove PROMPT_COMMAND
-                if (setenv("PROMPT_COMMAND", " ", 1) < 0)
+                if (setenv("PROMPT_COMMAND", ":", 1) < 0) // unsetenv() will not work here, bash still picks it up from somewhere
                         errExit("setenv");
         }