diff --git a/include/internal/catch_commandline.hpp b/include/internal/catch_commandline.hpp
index 6a4d0368..7fa7e573 100644
--- a/include/internal/catch_commandline.hpp
+++ b/include/internal/catch_commandline.hpp
@@ -194,6 +194,7 @@ namespace Catch
                         return setErrorMode( m_command + " does not accept arguments" );
                     m_config.setShowHelp( true );
                     break;
+                case modeError:
                 default:
                 break;
             }
diff --git a/include/reporters/catch_reporter_basic.hpp b/include/reporters/catch_reporter_basic.hpp
index 78de2e56..35e86df5 100644
--- a/include/reporters/catch_reporter_basic.hpp
+++ b/include/reporters/catch_reporter_basic.hpp
@@ -211,6 +211,11 @@ namespace Catch
                 case ResultWas::ExplicitFailure:
                     m_config.stream() << "failed with message: '" << resultInfo.getMessage() << "'";
                     break;
+                case ResultWas::Unknown: // These cases are here to prevent compiler warnings
+                case ResultWas::Ok:
+                case ResultWas::FailureBit:
+                case ResultWas::ExpressionFailed:
+                case ResultWas::Exception:
                 default:
                     if( !resultInfo.hasExpression() )
                     {
diff --git a/include/reporters/catch_reporter_junit.hpp b/include/reporters/catch_reporter_junit.hpp
index 6dbc4bf3..b281fed0 100644
--- a/include/reporters/catch_reporter_junit.hpp
+++ b/include/reporters/catch_reporter_junit.hpp
@@ -156,6 +156,10 @@ namespace Catch
                     case ResultWas::Ok:
                         stats.m_element = "success";
                         break;
+                    case ResultWas::Unknown:
+                    case ResultWas::FailureBit:
+                    case ResultWas::Exception:
+                    case ResultWas::DidntThrowException:
                     default:
                         stats.m_element = "unknown";
                         break;
diff --git a/include/reporters/catch_reporter_xml.hpp b/include/reporters/catch_reporter_xml.hpp
index 141ed419..792ab929 100644
--- a/include/reporters/catch_reporter_xml.hpp
+++ b/include/reporters/catch_reporter_xml.hpp
@@ -153,6 +153,12 @@ namespace Catch
                         .writeText( resultInfo.getMessage() );
                     m_currentTestSuccess = false;
                     break;
+                case ResultWas::Unknown:
+                case ResultWas::Ok:
+                case ResultWas::FailureBit:
+                case ResultWas::ExpressionFailed:
+                case ResultWas::Exception:
+                case ResultWas::DidntThrowException:
                 default:
                     break;
             }