diff --git a/changes/3.0.0-rc.4.md b/changes/3.0.0-rc.4.md
new file mode 100644
index 000000000..a13340715
--- /dev/null
+++ b/changes/3.0.0-rc.4.md
@@ -0,0 +1 @@
+ * Fix OTL script tag of default script (`dflt` -> `DFLT`). Though most shaping engine would not be impacted by the incorrect tag in earlier versions.
diff --git a/images/charvars.png b/images/charvars.png
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diff --git a/images/languages.png b/images/languages.png
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diff --git a/images/ligations.png b/images/ligations.png
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diff --git a/images/matrix.png b/images/matrix.png
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diff --git a/images/preview-all.png b/images/preview-all.png
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diff --git a/images/stylesets.png b/images/stylesets.png
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diff --git a/images/weights.png b/images/weights.png
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diff --git a/otl/table-util.ptl b/otl/table-util.ptl
index 6fbaf9e9a..1dc4570e9 100644
--- a/otl/table-util.ptl
+++ b/otl/table-util.ptl
@@ -49,7 +49,7 @@ export : define [pick-lookup sink name fallback] : begin
 	return sink.lookups.(name)
 
 export : define [add-common-feature sink fea] : begin
-	define dfltDflt : pick-language sink 'dflt_DFLT'
+	define dfltDflt : pick-language sink 'DFLT_DFLT'
 	define latnDflt : pick-language sink 'latn_DFLT'
 	define grekDflt : pick-language sink 'grek_DFLT'
 	define cyrlDflt : pick-language sink 'cyrl_DFLT'
diff --git a/package.json b/package.json
index a6a64b775..9d2404fda 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "iosevka",
-	"version": "3.0.0-rc.3",
+	"version": "3.0.0-rc.4",
 	"main": "./generate.js",
 	"engines": {
 		"node": ">=8.4.0"