diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e6e4f9663..117d69e454 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ The changes are relative to the previous release, unless the baseline is specifi
   avifGainMapMetadataDouble structs.
 * Add avif(Un)SignedFraction structs and avifDoubleTo(Un)SignedFraction
   utility functions.
+* Change codec_svt.c to clamp from 0 to 13.
 
 ## [1.1.1] - 2024-07-30
 
diff --git a/apps/avifenc.c b/apps/avifenc.c
index da5b659528..bd29d89e40 100644
--- a/apps/avifenc.c
+++ b/apps/avifenc.c
@@ -201,7 +201,8 @@ static void syntaxLong(void)
            AVIF_QUALITY_LOSSLESS);
     printf("    -s,--speed S                      : Encoder speed (%d-%d, slowest-fastest, 'default' or 'd' for codec internal defaults. default speed: 6)\n",
            AVIF_SPEED_SLOWEST,
-           AVIF_SPEED_FASTEST);
+           13);
+    printf("                                        libaom range 0-9 & rav1e range 0-10\n");
     printf("\n");
     printf("Advanced options:\n");
     printf("    -j,--jobs J                       : Number of jobs (worker threads). Use \"all\" to potentially use as many cores as possible (default: all)\n");
@@ -1734,9 +1735,6 @@ int main(int argc, char * argv[])
                 settings.speed = AVIF_SPEED_DEFAULT;
             } else {
                 settings.speed = atoi(arg);
-                if (settings.speed > AVIF_SPEED_FASTEST) {
-                    settings.speed = AVIF_SPEED_FASTEST;
-                }
                 if (settings.speed < AVIF_SPEED_SLOWEST) {
                     settings.speed = AVIF_SPEED_SLOWEST;
                 }
diff --git a/src/codec_svt.c b/src/codec_svt.c
index 193f244a1e..55192d26df 100644
--- a/src/codec_svt.c
+++ b/src/codec_svt.c
@@ -160,11 +160,11 @@ static avifResult svtCodecEncodeImage(avifCodec * codec,
         }
         if (encoder->speed != AVIF_SPEED_DEFAULT) {
 #if SVT_AV1_CHECK_VERSION(0, 9, 0)
-            svt_config->enc_mode = (int8_t)encoder->speed;
+            int speed = AVIF_CLAMP(encoder->speed, 0, 13);
 #else
             int speed = AVIF_CLAMP(encoder->speed, 0, 8);
-            svt_config->enc_mode = (int8_t)speed;
 #endif
+            svt_config->enc_mode = (int8_t)speed;
         }
 
         if (color_format == EB_YUV422 || image->depth > 10) {