diff --git a/src/core/fonts.js b/src/core/fonts.js
index ce28005cb0d78..9bfc375f8561e 100644
--- a/src/core/fonts.js
+++ b/src/core/fonts.js
@@ -457,6 +457,7 @@ var ProblematicCharRanges = new Int32Array([
   0x0600, 0x0780,
   0x08A0, 0x10A0,
   0x1780, 0x1800,
+  0x1C00, 0x1C50,
   // General punctuation chars.
   0x2000, 0x2010,
   0x2011, 0x2012,
diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index 2792b2e5d4ca7..fae8699b312e0 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -27,6 +27,7 @@
 !issue7180.pdf
 !issue7200.pdf
 !issue7229.pdf
+!issue7426.pdf
 !issue7439.pdf
 !issue7492.pdf
 !filled-background.pdf
diff --git a/test/pdfs/issue7426.pdf b/test/pdfs/issue7426.pdf
new file mode 100644
index 0000000000000..2d9e661d7f7ac
Binary files /dev/null and b/test/pdfs/issue7426.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index 9a4f544e57714..4ae10fecda3fa 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -1715,6 +1715,13 @@
        "link": false,
        "type": "eq"
     },
+    {  "id": "issue7426",
+       "file": "pdfs/issue7426.pdf",
+       "md5": "304e6cae18fdc07f66bd621fbe16b6cb",
+       "link": false,
+       "rounds": 1,
+       "type": "eq"
+    },
     {  "id": "issue6782",
        "file": "pdfs/issue6782.pdf",
        "md5": "b423f709600daa5745cc6d8234f7c608",