diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef0523fcd..dc7a80bdf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ All notable changes to this project will be documented in this file.
 - [#2573] AS3 - Incorrect uint/int/Number coercion
 - AS3 local registers type propagation
 - [#2566] Export bounds of sprites and buttons not containg filter offsets
+- [#2582] Font normalizer setting small texts when no assigned glyph found
 
 ### Changed
 - [#2575] dumpSWF CLI command only allows single SWF dump (no imports, etc.)
@@ -4065,6 +4066,7 @@ Major version of SWF to XML export changed to 2.
 [#2575]: https://www.free-decompiler.com/flash/issues/2575
 [#2573]: https://www.free-decompiler.com/flash/issues/2573
 [#2566]: https://www.free-decompiler.com/flash/issues/2566
+[#2582]: https://www.free-decompiler.com/flash/issues/2582
 [#2556]: https://www.free-decompiler.com/flash/issues/2556
 [#2536]: https://www.free-decompiler.com/flash/issues/2536
 [#2537]: https://www.free-decompiler.com/flash/issues/2537
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/FontNormalizer.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/FontNormalizer.java
index 43e44912b..2dd8e1f5f 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/FontNormalizer.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/FontNormalizer.java
@@ -156,12 +156,14 @@ public class FontNormalizer {
             List<SHAPE> shapes1 = font.getGlyphShapeTable();
             Double h = null;
             Double systemH = null;
+            double sumH = 0;
             for (int i = 0; i < shapes1.size(); i++) {
                 RECT b = shapes1.get(i).getBounds(1);
                 h = b.getHeight() / font.getDivider();
                 if (h <= 0) {
                     continue;
                 }
+                sumH += h;
                 char c = font.glyphToChar(i);
                 Font f = new Font(systemFont, (font.isBold() ? Font.BOLD : 0) | (font.isItalic() ? Font.ITALIC : 0), 1000);
                 if (!f.canDisplay(c)) {
@@ -173,10 +175,16 @@ public class FontNormalizer {
                 break;
             }
 
-            if (h != null && systemH != null) {
-                newScale = systemH / h;
-                willModify = true;
+            if (systemH == null) {
+                h = sumH / shapes1.size();
+                Font f = new Font(Font.SERIF, (font.isBold() ? Font.BOLD : 0) | (font.isItalic() ? Font.ITALIC : 0), 1000);               
+                FontRenderContext frc = new FontRenderContext(null, true, true);
+                GlyphVector gv = f.createGlyphVector(frc, new char[]{'H'});
+                systemH = gv.getGlyphOutline(0).getBounds2D().getHeight();
             }
+            
+            newScale = systemH / h;
+            willModify = true;
 
             final double scale = newScale;
 
@@ -342,7 +350,8 @@ public class FontNormalizer {
     }
 
     private static int round20(double val) {
-        return (int) Math.floor(val / 20.0) * 20;
+        //return (int) Math.round(val / 20.0) * 20;
+        return (int) Math.round(val);
     }
 
     private Set<Integer> getDefineEditTextFonts(DefineEditTextTag text) {