diff --git a/src/parser/backtraceparsergdb.cpp b/src/parser/backtraceparsergdb.cpp
--- a/src/parser/backtraceparsergdb.cpp
+++ b/src/parser/backtraceparsergdb.cpp
@@ -129,13 +129,13 @@
     if (!fileName().isEmpty()) {
         r = Good;
     } else if (!libraryName().isEmpty()) {
-        if (functionName() == QLatin1String("??")) {
+        if (functionName() == QLatin1String("??") || functionName().isEmpty()) {
             r = MissingFunction;
         } else {
             r = MissingSourceFile;
         }
     } else {
-        if (functionName() == QLatin1String("??")) {
+        if (functionName() == QLatin1String("??") || functionName().isEmpty()) {
             r = MissingEverything;
         } else {
             r = MissingLibrary;
diff --git a/src/tests/gdbbacktracelinetest.cpp b/src/tests/gdbbacktracelinetest.cpp
--- a/src/tests/gdbbacktracelinetest.cpp
+++ b/src/tests/gdbbacktracelinetest.cpp
@@ -73,34 +73,34 @@
             QCOMPARE(line.functionName(), "");
             QCOMPARE(line.fileName(), "");
             QCOMPARE(line.libraryName(), "/usr/lib/libglib-2.0.so.0");
-            QCOMPARE(line.rating(), BacktraceLine::MissingSourceFile);
+            QCOMPARE(line.rating(), BacktraceLine::MissingFunction);
         }
         { // library without -2.0 (trips up suffix detection)
             BacktraceLineGdb line("#13 0x00007fe6059971b1 in  () at /usr/lib/libpackagekit-qt.so.12\n");
             QCOMPARE(line.type(), BacktraceLine::StackFrame);
             QCOMPARE(line.frameNumber(), 13);
             QCOMPARE(line.functionName(), "");
             QCOMPARE(line.fileName(), "");
             QCOMPARE(line.libraryName(), "/usr/lib/libpackagekit-qt.so.12");
-            QCOMPARE(line.rating(), BacktraceLine::MissingSourceFile);
+            QCOMPARE(line.rating(), BacktraceLine::MissingFunction);
         }
         { // library without any soversion
             BacktraceLineGdb line("#13 0x00007fe6059971b1 in  () at /usr/lib/libpackagekit-qt.so\n");
             QCOMPARE(line.type(), BacktraceLine::StackFrame);
             QCOMPARE(line.frameNumber(), 13);
             QCOMPARE(line.functionName(), "");
             QCOMPARE(line.fileName(), "");
             QCOMPARE(line.libraryName(), "/usr/lib/libpackagekit-qt.so");
-            QCOMPARE(line.rating(), BacktraceLine::MissingSourceFile);
+            QCOMPARE(line.rating(), BacktraceLine::MissingFunction);
         }
         { // library without any soversion but name suffix
             BacktraceLineGdb line("#13 0x00007fe6059971b1 in  () at /usr/lib/libpackagekit-1.0.so\n");
             QCOMPARE(line.type(), BacktraceLine::StackFrame);
             QCOMPARE(line.frameNumber(), 13);
             QCOMPARE(line.functionName(), "");
             QCOMPARE(line.fileName(), "");
             QCOMPARE(line.libraryName(), "/usr/lib/libpackagekit-1.0.so");
-            QCOMPARE(line.rating(), BacktraceLine::MissingSourceFile);
+            QCOMPARE(line.rating(), BacktraceLine::MissingFunction);
         }
     }