diff --git a/lib/settings.cpp b/lib/settings.cpp
index 784b000dc..c51fac185 100644
--- a/lib/settings.cpp
+++ b/lib/settings.cpp
@@ -17,6 +17,7 @@
  */
 
 #include "settings.h"
+#include "path.h"
 
 #include <algorithm>
 #include <fstream>
@@ -224,7 +225,7 @@ std::string Settings::Suppressions::FileMatcher::addFile(const std::string &name
     }
     else
     {
-        _files[name][line] = false;
+        _files[Path::simplifyPath(name.c_str())][line] = false;
     }
     return "";
 }
diff --git a/test/testsettings.cpp b/test/testsettings.cpp
index 078324be2..447d7aa52 100644
--- a/test/testsettings.cpp
+++ b/test/testsettings.cpp
@@ -37,6 +37,7 @@ private:
         TEST_CASE(suppressionsDosFormat);     // Ticket #1836
         TEST_CASE(suppressionsFileNameWithColon);    // Ticket #1919 - filename includes colon
         TEST_CASE(suppressionsGlob);
+        TEST_CASE(suppressionsFileNameWithExtraPath);
     }
 
     void suppressionsBadId1()
@@ -99,6 +100,14 @@ private:
             ASSERT_EQUALS(true, suppressions.isSuppressed("errorid", "abc.cpp", 2));
         }
     }
+
+    void suppressionsFileNameWithExtraPath()
+    {
+        // Ticket #2797
+        Settings::Suppressions suppressions;
+        suppressions.addSuppression("errorid", "./a.c", 123);
+        ASSERT_EQUALS(true, suppressions.isSuppressed("errorid", "a.c", 123));
+    }
 };
 
 REGISTER_TEST(TestSettings)