diff --git a/src/core/fonts.js b/src/core/fonts.js
index 56d75c84e81a6..d40907a77e547 100644
--- a/src/core/fonts.js
+++ b/src/core/fonts.js
@@ -2650,7 +2650,7 @@ var Font = (function FontClosure() {
       }
 
       // trying to estimate space character width
-      var possibleSpaceReplacements = ['space', 'minus', 'one', 'i'];
+      var possibleSpaceReplacements = ['space', 'minus', 'one', 'i', 'I'];
       var width;
       for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {
         var glyphName = possibleSpaceReplacements[i];
diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index d0b08ac3012d2..ace230d03704e 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -24,6 +24,7 @@
 !issue7020.pdf
 !issue7101.pdf
 !issue7115.pdf
+!issue7180.pdf
 !issue7200.pdf
 !issue7229.pdf
 !filled-background.pdf
diff --git a/test/pdfs/issue7180.pdf b/test/pdfs/issue7180.pdf
new file mode 100644
index 0000000000000..d9bfebc7d9468
Binary files /dev/null and b/test/pdfs/issue7180.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index ac342b40c4183..90cb7078cb74a 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -1555,6 +1555,13 @@
        "link": false,
        "type": "eq"
     },
+    {  "id": "issue7180-text",
+       "file": "pdfs/issue7180.pdf",
+       "md5": "73ed92d7ca55475f1f31d1d75fee3283",
+       "rounds": 1,
+       "link": false,
+       "type": "text"
+    },
     {
       "id": "bug1123803",
       "file": "pdfs/bug1123803.pdf",