diff --git a/lib_com/options.h b/lib_com/options.h
index c0028e53d969d7b8fff91e138a2dd63f309b430e..886c5966e57b543f05534f0c448a27d105975666 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -170,7 +170,8 @@
 /* any switch which is non-be wrt selection floating point code */
 /* all switches in this category should start with "NONBE_" */
 
-#define NONBE_FIX_1070_USAN_SEGFAULT_MC_TO_BIN_BTSW_HEADROT   /* fix 1070 USAN: nullptr-with-offset and Segfaults in 7_1_4 to BINAURAL and BINAURAL_ROOM_REVERB decoding with bitrate switching and head rotation*/ 
+#define NONBE_FIX_1070_USAN_SEGFAULT_MC_TO_BIN_BTSW_HEADROT   /* fix 1070 USAN: nullptr-with-offset and Segfaults in 7_1_4 to BINAURAL and BINAURAL_ROOM_REVERB decoding with bitrate switching and head rotation*/
+#define REVERT_ZERO_FLUSH_TRESH                               /* FhG: issue 1069: revert threshold value introduced with !1518 due to significant complexity increase*/ 
 /* ##################### End NON-BE switches ########################### */
 
 /* ################## End DEVELOPMENT switches ######################### */
diff --git a/lib_dec/ivas_svd_dec.c b/lib_dec/ivas_svd_dec.c
index ebef0644ee3dfbf60bc89cdb20ceb4d8600f8708..5c84af950b601e679f4727531e88ca82e0029f8a 100644
--- a/lib_dec/ivas_svd_dec.c
+++ b/lib_dec/ivas_svd_dec.c
@@ -48,10 +48,14 @@
  *-----------------------------------------------------------------------*/
 
 /* The SVD is sensitive to changes to the following constants, so please be careful when trying to tune things   */
-#define SVD_MINIMUM_VALUE        1e-32f   /* minimum value                                                   */
-#define CONVERGENCE_FACTOR       1.0e-04f /* factor for SVD convergence                                      */
-#define SVD_MAX_NUM_ITERATION    75       /* maximum number of interations before exiting the SVD            */
+#define SVD_MINIMUM_VALUE     1e-32f   /* minimum value                                                   */
+#define CONVERGENCE_FACTOR    1.0e-04f /* factor for SVD convergence                                      */
+#define SVD_MAX_NUM_ITERATION 75       /* maximum number of interations before exiting the SVD            */
+#ifdef REVERT_ZERO_FLUSH_TRESH
+#define SVD_ZERO_FLUSH_THRESHOLD 1.0e-20f
+#else
 #define SVD_ZERO_FLUSH_THRESHOLD 0.0f
+#endif
 
 
 /*-----------------------------------------------------------------------*