diff --git a/lib/normalize.c b/lib/normalize.c
index 5aea713..6cdf5e6 100644
--- a/lib/normalize.c
+++ b/lib/normalize.c
@@ -215,6 +215,20 @@ sr_gdb_frame_is_removable(const char *function_name,
     return false;
 }
 
+void sr_normalize_gdb_frame(struct sr_gdb_frame *frame)
+{
+    if (frame && frame->source_file)
+    {
+        /* Remove IA__ prefix used in GLib, GTK and GDK. */
+        remove_func_prefix(frame->function_name, "IA__gdk", strlen("IA__"));
+        remove_func_prefix(frame->function_name, "IA__g_", strlen("IA__"));
+        remove_func_prefix(frame->function_name, "IA__gtk", strlen("IA__"));
+
+        /* Remove __GI_ (glibc internal) prefix. */
+        remove_func_prefix(frame->function_name, "__GI_", strlen("__GI_"));
+    }
+}
+
 void
 sr_normalize_gdb_thread(struct sr_gdb_thread *thread)
 {
@@ -234,17 +248,7 @@ sr_normalize_gdb_thread(struct sr_gdb_thread *thread)
     struct sr_gdb_frame *frame = thread->frames;
     while (frame)
     {
-        if (frame->source_file)
-        {
-            /* Remove IA__ prefix used in GLib, GTK and GDK. */
-            remove_func_prefix(frame->function_name, "IA__gdk", strlen("IA__"));
-            remove_func_prefix(frame->function_name, "IA__g_", strlen("IA__"));
-            remove_func_prefix(frame->function_name, "IA__gtk", strlen("IA__"));
-
-            /* Remove __GI_ (glibc internal) prefix. */
-            remove_func_prefix(frame->function_name, "__GI_", strlen("__GI_"));
-        }
-
+        sr_normalize_gdb_frame(frame);
         frame = frame->next;
     }
 
@@ -507,6 +511,10 @@ sr_normalize_gdb_stacktrace(struct sr_gdb_stacktrace *stacktrace)
         sr_normalize_gdb_thread(thread);
         thread = thread->next;
     }
+
+    if (stacktrace->crash) {
+        sr_normalize_gdb_frame(stacktrace->crash);
+    }
 }
 
 static bool
diff --git a/python/py_gdb_stacktrace.c b/python/py_gdb_stacktrace.c
index 4ca50c3..73a1958 100644
--- a/python/py_gdb_stacktrace.c
+++ b/python/py_gdb_stacktrace.c
@@ -532,7 +532,9 @@ sr_py_gdb_stacktrace_normalize(PyObject *self, PyObject *args)
     Py_DECREF(this->threads);
 
     this->stacktrace->threads = tmp->threads;
+    this->stacktrace->crash = tmp->crash;
     tmp->threads = NULL;
+    tmp->crash = NULL;
     sr_gdb_stacktrace_free(tmp);
 
     this->threads = thread_linked_list_to_python_list(this->stacktrace);