diff --git a/lib_com/options.h b/lib_com/options.h
index e9dd15dd40e85320d47b7478a82fdf2653f0df0d..0a922aecae59adcf91a771c3c33ecb0f0e6335ba 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -89,6 +89,7 @@
 #define FIX_2252_SCALING_SAVE_HB_SYNTH                  /* VA: issue 2252: fix use-of-uninit-value in save_hb_synth_fx[] scaling in FOA decoding with bitstream that starts with an SID */
 #define FIX_2248_EVS_ASSERT                             /* VA: Include _sat in an EVS related part of the code */
 #define FIX_2254_IMPROV_COMPLEXITY_BE                   /* VA: BE small complexity reduction  */
+#define FIX_1484_CLANG18_MSAN_INIT_ST_ELEM_BRATE        /* FhG: initialize st->element_brate per default */
 #define FIX_1464_UBSAN_RC_CONTEXT_MAP                   /* FhG: BE UBSAN fix for float issue 1464 in the TCX range coder */
 #define FIX_2272_OOB_INDEXING_IN_LTP_PIT_SEARCH         /* FhG: fix OOB index USAN error in TCX LTP pitch search */
 #define FIX_2274_OOB_INDEXING_IN_CORRMATRIX             /* FhG: fix OOB indexing complaint */
diff --git a/lib_dec/ivas_sce_dec_fx.c b/lib_dec/ivas_sce_dec_fx.c
index a889c505d8edc37f4147d4221f9690541477120b..1b9a530e87b8fa53fa162ca519c45bbb29fac9ca 100644
--- a/lib_dec/ivas_sce_dec_fx.c
+++ b/lib_dec/ivas_sce_dec_fx.c
@@ -402,6 +402,10 @@ ivas_error create_sce_dec(
 
     st->total_brate = hSCE->element_brate; /* dummy initialization for getting right pointers initialization of input buffers in init_coder_ace_plus() */
     move32();
+#ifdef FIX_1484_CLANG18_MSAN_INIT_ST_ELEM_BRATE
+    st->element_brate = -1;
+    move32();
+#endif
     st->mct_chan_mode = MCT_CHAN_MODE_REGULAR;
     move16();
     st->is_ism_format = 0;