diff --git a/lib_com/options.h b/lib_com/options.h
index de58cbabd78771d230e958b9b2ed6e026086fb9d..53d0a8681d0448fd66f55718657d69bd11f5a3e0 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -173,6 +173,7 @@
 #define FIX_2287_MCT_MDCT_STEREO_DATA_MALLOC_SIZE       /* FhG: correct allocation size for STEREO_MDCT_DEC_DATA struct */
 #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 */
+#define FIX_1480_CLANG18_MSAN_UNINIT_VARIABLE           /* Eri: Initializes two variables in HQ decoder. They are not used, but they are passed uninitialized to a function which is caught by clang-18 */
 
 /* #################### End BE switches ################################## */
 
diff --git a/lib_dec/hq_hr_dec.c b/lib_dec/hq_hr_dec.c
index 165d52f6b0d7a080c91a864f2611b0cc7972fe46..9055a9e2e3927d3da7078bc6411576f7d9a8b5f8 100644
--- a/lib_dec/hq_hr_dec.c
+++ b/lib_dec/hq_hr_dec.c
@@ -137,6 +137,9 @@ void hq_hr_dec(
 
     HQ_DEC_HANDLE hHQ_core = st->hHQ_core;
     bits_left = num_bits;
+#ifdef FIX_1480_CLANG18_MSAN_UNINIT_VARIABLE
+    hq_generic_offset = 0;
+#endif
 
     /*------------------------------------------------------------------*
      * Initializations