diff --git a/include/opus_custom.h b/include/opus_custom.h
index dcfbcd8a2b6e6a9623055db323baa584de228a8c..41f36bf2fbc90966935771c11093b7580cc4f912 100644
--- a/include/opus_custom.h
+++ b/include/opus_custom.h
@@ -140,6 +140,7 @@ OPUS_CUSTOM_EXPORT_STATIC OPUS_WARN_UNUSED_RESULT int opus_custom_encoder_get_si
     int channels
 ) OPUS_ARG_NONNULL(1);
 
+# ifdef CUSTOM_MODES
 /** Initializes a previously allocated encoder state
   * The memory pointed to by st must be the size returned by opus_custom_encoder_get_size.
   * This is intended for applications which use their own allocator instead of malloc.
@@ -152,12 +153,12 @@ OPUS_CUSTOM_EXPORT_STATIC OPUS_WARN_UNUSED_RESULT int opus_custom_encoder_get_si
   * @param [in] channels <tt>int</tt>: Number of channels
   * @return OPUS_OK Success or @ref opus_errorcodes
   */
-OPUS_CUSTOM_EXPORT_STATIC int opus_custom_encoder_init(
+OPUS_CUSTOM_EXPORT int opus_custom_encoder_init(
     OpusCustomEncoder *st,
     const OpusCustomMode *mode,
     int channels
 ) OPUS_ARG_NONNULL(1) OPUS_ARG_NONNULL(2);
-
+# endif
 #endif
 
 
diff --git a/tests/test_opus_decode.c b/tests/test_opus_decode.c
index 88c6b21c97b830d3f615b11c4d5260d14a3323a1..9c0eb9c72858d5a8f4dc4da6b9f31eb2caebc41e 100644
--- a/tests/test_opus_decode.c
+++ b/tests/test_opus_decode.c
@@ -384,7 +384,7 @@ void test_soft_clip(void)
    {
       for (j=0;j<1024;j++)
       {
-        x[j]=(i&511)*(1/128.f)-2.f;
+        x[j]=(i&255)*(1/32.f)-4.f;
       }
       opus_pcm_soft_clip(&x[i],1024-i,1,s);
       for (j=i;j<1024;j++)
@@ -397,7 +397,7 @@ void test_soft_clip(void)
    {
       for (j=0;j<1024;j++)
       {
-        x[j]=(i&511)*(1/128.f)-2.f;
+        x[j]=(i&255)*(1/32.f)-4.f;
       }
       opus_pcm_soft_clip(x,1024/i,i,s);
       for (j=0;j<(1024/i)*i;j++)