diff --git a/src/Markdig.Tests/TestSourcePosition.cs b/src/Markdig.Tests/TestSourcePosition.cs
index 09a9b6cf..3cd0e97e 100644
--- a/src/Markdig.Tests/TestSourcePosition.cs
+++ b/src/Markdig.Tests/TestSourcePosition.cs
@@ -698,7 +698,7 @@ public void TestAttributesForHeading()
     [Test]
     public void TestMathematicsInline()
     {
-        //     01 23456789AB
+        //     01 23456789ABCDEF
         Check("0\n012 $abcd$ 321", @"
 paragraph    ( 0, 0)  0-15
 literal      ( 0, 0)  0-0
@@ -707,6 +707,13 @@ public void TestMathematicsInline()
 math         ( 1, 4)  6-11
 attributes   ( 0, 0)  0--1
 literal      ( 1,10) 12-15
+", "mathematics");
+
+        //     012345678
+        Check("$ abcd $", @"
+paragraph    ( 0, 0)  0-7
+math         ( 0, 0)  0-7
+attributes   ( 0, 0)  0--1
 ", "mathematics");
     }
 
diff --git a/src/Markdig/Extensions/Mathematics/MathInlineParser.cs b/src/Markdig/Extensions/Mathematics/MathInlineParser.cs
index fabd30e6..8ac94cbd 100644
--- a/src/Markdig/Extensions/Mathematics/MathInlineParser.cs
+++ b/src/Markdig/Extensions/Mathematics/MathInlineParser.cs
@@ -152,7 +152,7 @@ public override bool Match(InlineProcessor processor, ref StringSlice slice)
             // Create a new MathInline
             var inline = new MathInline()
             {
-                Span = new SourceSpan(processor.GetSourcePosition(startPosition, out int line, out int column), processor.GetSourcePosition(end)),
+                Span = new SourceSpan(processor.GetSourcePosition(startPosition, out int line, out int column), processor.GetSourcePosition(slice.Start - 1)),
                 Line = line,
                 Column = column,
                 Delimiter = match,