diff --git a/lib_com/options.h b/lib_com/options.h
index fdf73590af6074644fa8e279a5379377dfbe9e0e..5aaad2a9cb4344caf1e3cd682d2d17ee4fc34618 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -137,6 +137,7 @@
 #define FIX_1053_REVERB_RECONFIGURATION
 #define TMP_FIX_1119_SPLIT_RENDERING_VOIP               /* FhG: Add error check for unsupported config: split rendering with VoIP mode */
 #define FIX_1113_EXTREND_ISAR                           /* FhG: issue 1113: fix external renderer asserts for FOA/HOA2 and CLDFB config */
+#define FIX_938_COMPILER_WARNING                        /* FhG: Fix compiler warning in ivas_mdct_core_reconstruct() */
 
 /* #################### End BASOP porting switches ############################ */
 
diff --git a/lib_dec/ivas_mdct_core_dec_fx.c b/lib_dec/ivas_mdct_core_dec_fx.c
index 8e94b2c6aa8f7982510c3748631894c9a2aff54f..78df29c0ae71ec63e2c4569ced3916660901526b 100644
--- a/lib_dec/ivas_mdct_core_dec_fx.c
+++ b/lib_dec/ivas_mdct_core_dec_fx.c
@@ -1420,16 +1420,21 @@ void ivas_mdct_core_reconstruct_fx(
         {
             Copy_Scale_sig_16_32_no_sat( st->p_bpf_noise_buf, st->p_bpf_noise_buf_32, st->L_frame, Q11 ); // Q0 -> Q11
         }
+
+#ifndef FIX_938_COMPILER_WARNING
         IF( signal_outFB_fx[ch] != NULL )
         {
+#endif
             Copy( synthFB_fx, signal_outFB_fx[ch], st->hTcxDec->L_frameTCX );
 #ifdef FIX_2003_CON_TCX_OVERFLOW
             e_sig[ch] = sub( 15, q_syn + st->Q_syn_factor );
 #else
-            e_sig[ch] = sub( 15, q_syn );
+        e_sig[ch] = sub( 15, q_syn );
 #endif
             move16();
+#ifndef FIX_938_COMPILER_WARNING
         }
+#endif
 
         /* updates */
         st->last_voice_factor_fx = 0;