diff --git a/dyson_compress_1403.xml b/dyson_compress_1403.xml
index 2770e11..8dfff7f 100644
--- a/dyson_compress_1403.xml
+++ b/dyson_compress_1403.xml
@@ -142,7 +142,7 @@
     <callback event="run"><![CDATA[
       unsigned long pos;
       float targetlevel = MAXLEVEL * DB_CO(peak_limit);
-      float rgainfilter = 1.0f / (release_time * sample_rate);
+      float rgainfilter = 1.0f / (fmaxf(release_time, 0.0000001f) * sample_rate);
       float fastgaincompressionratio = cfrate;
       float compressionratio = crate;
       float efilt;
diff --git a/shaper_1187.xml b/shaper_1187.xml
index f776922..a9a71a2 100644
--- a/shaper_1187.xml
+++ b/shaper_1187.xml
@@ -19,8 +19,8 @@ float shape = 0.0f;
 
 if (shapep < 1.0f && shapep > -1.0f) {
 	shape = 1.0f;
-} else if (shape < 0) {
-	shape = -1.0f / shape;
+} else if (shapep < 0) {
+	shape = -1.0f / shapep;
 } else {
 	shape = shapep;
 }