diff --git a/lib_com/options.h b/lib_com/options.h
index c2ef6ee92df12446e5cf7b1ff95c4dabd7dc7b71..7d1fcb92fe14345ddd770b3738ce0e3dc0ce0cb7 100755
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -157,6 +157,7 @@
 #define FIX_IGF_NOISE_REPETITION                        /* Issue 182: fix repetition of same noise in IGF */
 #define FIX_126_MDFT_FB_STATIC_MEM                      /* Issue 126: reduce static mem consumption of the MDFT FB for non-SBA formats */
 #define FIX_I214_CLIPPING_STANDALONE_REND               /* Issue 214: TD standalone renderer does not handle clipping */
+#define FIX_I218_PARAMISM_NOISY_SPEECH                  /* Issue 218: Fix noisy speech buffer in ParamISM */
 
 /* ################## End DEVELOPMENT switches ######################### */
 /* clang-format on */
diff --git a/lib_enc/ivas_ism_enc.c b/lib_enc/ivas_ism_enc.c
index 3c8a1f04b38e7b69cc37cdd3928c3d0177da7d65..6f63b9b7a9e6624508422adc2ae987a67bf0d0f3 100644
--- a/lib_enc/ivas_ism_enc.c
+++ b/lib_enc/ivas_ism_enc.c
@@ -175,7 +175,11 @@ ivas_error ivas_ism_enc(
         /* For the current frame, make a decision based on some core-coder flags */
         if ( st_ivas->hSCE[0]->hCoreCoder[0]->flag_noisy_speech_snr && st_ivas->hSCE[1]->hCoreCoder[0]->flag_noisy_speech_snr )
         {
+#ifdef FIX_I218_PARAMISM_NOISY_SPEECH
+            if ( st_ivas->hSCE[0]->hCoreCoder[0]->vad_flag || st_ivas->hSCE[1]->hCoreCoder[0]->vad_flag )
+#else
             if ( st_ivas->hSCE[0]->hCoreCoder[0]->vad_flag && st_ivas->hSCE[1]->hCoreCoder[0]->vad_flag )
+#endif
             {
                 st_ivas->hDirAC->hParamIsm->noisy_speech_buffer[i] = 0;
             }