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-rw-r--r--src/os_unix.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/os_unix.c b/src/os_unix.c
index 0ec48a1127..803f9441c6 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -4459,9 +4459,9 @@ mch_call_shell_system(
else
x = system((char *)cmd);
# else
- newcmd = lalloc(STRLEN(p_sh)
+ newcmd = alloc(STRLEN(p_sh)
+ (extra_shell_arg == NULL ? 0 : STRLEN(extra_shell_arg))
- + STRLEN(p_shcf) + STRLEN(cmd) + 4, TRUE);
+ + STRLEN(p_shcf) + STRLEN(cmd) + 4);
if (newcmd == NULL)
x = 0;
else