diff --git a/lib_com/options.h b/lib_com/options.h
index 2c70dd14f900bcf3ae42a391332364aa639d8451..072b3b337b3f50afcbfa57f50fdcf4c6f4d556e5 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -101,6 +101,7 @@
 #define FIX_2278_OOB_INDEXING_IN_CLOSED_LOOP_PIT_SEARCH /* FhG: fix oob indexing USAN complaint */
 #define FIX_2287_MCT_MDCT_STEREO_DATA_MALLOC_SIZE       /* FhG: correct allocation size for STEREO_MDCT_DEC_DATA struct */
 #define FIX_1904_HARM_GSC_ENC                           /* VA: #1904 Harmonization of EVS and IVAS GSC code */
+#define FIX_1474_USAN_TRANS_INV                         /* Eri: Float issue 1474: Fix USAN out-of-bounds warning. No OOB occurs, but the pointer is set to point to uninitialized memory. */
 #define FIX_2271_OOB_INDEXING_IN_PIT_OL2                /* VA: Fix for issue 2271, to silence clang18 */
 #define FIX_2273_OOB_INDEXING_IN_PIT_FR4                /* VA: Fix to silence clang on ptr init */
 
diff --git a/lib_com/trans_direct_fx.c b/lib_com/trans_direct_fx.c
index 4e259e0cc5076d1d74b4a16d3ed1410fdad505f4..7598bd42237bc1adc5fbdb7ce7df9ce165b80a34 100644
--- a/lib_com/trans_direct_fx.c
+++ b/lib_com/trans_direct_fx.c
@@ -76,15 +76,21 @@ void direct_transform_fx(
             move32();
         }
 
+#ifndef FIX_1474_USAN_TRANS_INV
         iseg_fx = &in32_r16_fx[-segment_length4]; /*Q*/
-        oseg_fx = out32_fx;                       /*Q*/
+#endif
+        oseg_fx = out32_fx; /*Q*/
 
         wh_fx = &win_fx[segment_length4]; /*Q15*/
         wl_fx = wh_fx - 1;                /*Q15*/
 
         shift = extract_l( L_mult0( 3, segment_length4 ) ); /*Q0*/
-        sh_fx = &iseg_fx[shift];                            /*Q*/
-        sl_fx2 = sh_fx - 1;                                 /*Q*/
+#ifdef FIX_1474_USAN_TRANS_INV
+        sh_fx = &in32_r16_fx[segment_length2]; /*Q*/
+#else
+        sh_fx = &iseg_fx[shift];                    /*Q*/
+#endif
+        sl_fx2 = sh_fx - 1; /*Q*/
 
 
         FOR( i = 0; i < segment_length4; i++ )
@@ -94,7 +100,11 @@ void direct_transform_fx(
             move32();
         }
 
+#ifdef FIX_1474_USAN_TRANS_INV
+        sl_fx2 = &in32_r16_fx[( segment_length4 - 1 )]; /*Q*/
+#else
         sl_fx2 = &iseg_fx[( segment_length2 - 1 )]; /*Q*/
+#endif
 
         FOR( i = segment_length4; i < segment_length2; i++ )
         {
@@ -107,7 +117,11 @@ void direct_transform_fx(
         edct_fx( dctin32_fx, oseg_fx, segment_length2, &Qs[0] );
         Qmin = s_min( Qs[0], Qmin );
 
+#ifdef FIX_1474_USAN_TRANS_INV
+        iseg_fx = &in32_r16_fx[segment_length4];
+#else
         iseg_fx += segment_length2;
+#endif
         oseg_fx += segment_length2;
 
         FOR( seg = 1; seg < NUM_TIME_SWITCHING_BLOCKS - 1; seg++ )
diff --git a/lib_com/trans_inv_fx.c b/lib_com/trans_inv_fx.c
index 8bf63fccac0734f9e46e5332ae9ba842825e42ea..9a07742151ba6dc7bbf9c4ef8853c8c122f521e8 100644
--- a/lib_com/trans_inv_fx.c
+++ b/lib_com/trans_inv_fx.c
@@ -1032,7 +1032,11 @@ void Inverse_Transform(
             }
         }
 
+#ifdef FIX_1474_USAN_TRANS_INV
+        out_segment = out_alias;
+#else
         out_segment = out_alias - segment_length_div4;
+#endif
         in_segment = in_mdct_modif; /*Q*/
 
         tmp = *Q;
@@ -1051,7 +1055,11 @@ void Inverse_Transform(
 
         FOR( ta = segment_length_div4; ta < segment_length_div2; ta++ )
         {
-            out_segment[ta] = L_shr( alias[ta], tmp ); /*q_out*/
+#ifdef FIX_1474_USAN_TRANS_INV
+            *out_segment++ = L_shr( alias[ta], tmp ); /*q_out*/
+#else
+            out_segment[ta] = L_shr( alias[ta], tmp );                        /*q_out*/
+#endif
             move32();
         }
         /* This previous loop fills the output buffer from [0..seg_len_div4-1] */
@@ -1059,13 +1067,21 @@ void Inverse_Transform(
         win2 = &win[segment_length_div2]; /*Q15*/
         FOR( ta = segment_length_div2; ta < segment_length; ta++ )
         {
+#ifdef FIX_1474_USAN_TRANS_INV
+            *out_segment++ = L_shr( Mult_32_16( alias[ta], *--win2 ), tmp ); /*q_out*/
+#else
             out_segment[ta] = L_shr( Mult_32_16( alias[ta], *--win2 ), tmp ); /*q_out*/
+#endif
             move32();
         }
         /* This previous loop fills the output buffer from [seg_len_div4..seg_len-seg_len_div4-1] */
 
-        out_segment += segment_length_div2; /*q_out*/
-        in_segment += segment_length_div2;  /*Q*/
+#ifdef FIX_1474_USAN_TRANS_INV
+        out_segment = &out_alias[segment_length_div4]; /*q_out*/
+#else
+        out_segment += segment_length_div2;                                   /*q_out*/
+#endif
+        in_segment += segment_length_div2; /*Q*/
 
         FOR( seg = 1; seg < NUM_TIME_SWITCHING_BLOCKS - 1; seg++ )
         {