Index: outputview/outputformats.h
===================================================================
--- outputview/outputformats.h
+++ outputview/outputformats.h
@@ -40,6 +40,9 @@
     int textGroup;
     QString compiler;
 
+    // Returns the column number starting with 0 as the first column
+    // If no match was found for columns or if index was not valid 
+    // (i.e. less than zero) - 0 is returned.
     int columnNumber(const QRegularExpressionMatch& match) const;
 };
 
Index: outputview/outputformats.cpp
===================================================================
--- outputview/outputformats.cpp
+++ outputview/outputformats.cpp
@@ -49,7 +49,9 @@
 
 int ErrorFormat::columnNumber(const QRegularExpressionMatch& match) const
 {
-    return columnGroup >= 0 ? match.captured( columnGroup ).toInt() - 1 : 0;
+    if(columnGroup < 0) return 0;
+    int columnNumberFromApp = match.captured( columnGroup ).toInt() - 1;
+    return columnNumberFromApp >= 0 ?  columnNumberFromApp : 0;
 }
 
 }
Index: outputview/tests/test_filteringstrategy.cpp
===================================================================
--- outputview/tests/test_filteringstrategy.cpp
+++ outputview/tests/test_filteringstrategy.cpp
@@ -447,6 +447,9 @@
     QTest::newRow("gcc-no-col")
         << "/path/to/file.cpp:123: error ..."
         << "/path/to/file.cpp" << 122 << 0 << FilteredItem::ErrorItem;
+    QTest::newRow("gcc-app-gives-invalid-column")
+    << "/path/to/file.h:60:0:\
+warning: \"SOME_MACRO\" redefined" << "/path/to/file.h" << 59 << 0 << FilteredItem::WarningItem;
     QTest::newRow("fortcom")
         << "fortcom: Error: Ogive8.f90, line 123: ..."
         << QString(projectPath() + "/Ogive8.f90") << 122 << 0 << FilteredItem::ErrorItem;