diff --git a/lib/detector.js b/lib/detector.js
index <HASH>..<HASH> 100644
--- a/lib/detector.js
+++ b/lib/detector.js
@@ -136,14 +136,27 @@ Detector.prototype._detectMagicNumbers = function(syntaxTree, contents)  {
       return;
     }
 
+    var line = lines[node.loc.start.line - 1];
+    var startColumn = node.loc.start.column;
+    var endColumn = node.loc.end.column;
+
+    // fix columns, since acorn counts parens in their location
+    if (line.slice(startColumn, startColumn + 1) === '(') {
+      startColumn += 1;
+    }
+
+    if (line.slice(endColumn - 1, endColumn) === ')') {
+      endColumn -= 1;
+    }
+
     self.emit('found', {
       value: node.value,
       file: node.loc.source,
       fileLength: fileLength,
       lineNumber: node.loc.start.line,
-      lineSource: lines[node.loc.start.line - 1],
-      startColumn: node.loc.start.column,
-      endColumn: node.loc.end.column,
+      lineSource: line,
+      startColumn: startColumn,
+      endColumn: endColumn,
       surroundingLines: utils.getSurroundingLines(node, lines)
     });
   };
Fix columns when surrounded by parens