diff --git a/src/sounds.c b/src/sounds.c
index e8475b965..a681f3c5e 100644
--- a/src/sounds.c
+++ b/src/sounds.c
@@ -839,7 +839,7 @@ sfxinfo_t S_sfx[NUMSFX] =
 
   // Mean Bean Machine sounds
   {"mbs41",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
-  {"mbs42",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
+  {"mbs42",  true,   64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs43",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs44",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs45",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
@@ -849,7 +849,7 @@ sfxinfo_t S_sfx[NUMSFX] =
   {"mbs49",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs4a",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs4b",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
-  {"mbs4c",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
+  {"mbs4c",  true,   64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs4d",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs4e",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},
   {"mbs4f",  false,  64,  0, -1, NULL, 0,        -1,  -1, LUMPERROR, ""},