diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontTag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontTag.java
index 880d30fdf..3a8170b5a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontTag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/base/FontTag.java
@@ -627,6 +627,7 @@ public abstract class FontTag extends DrawableTag implements AloneTag {
     }
 
     public static boolean isFontNameInstalled(String fontName) {
+        ensureLoaded();
         return installedFontsByName.containsKey(fontName);
     }