diff --git a/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/StackTrace.java b/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/StackTrace.java
index 0be6d91450eda..5c9b589b4ec38 100644
--- a/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/StackTrace.java
+++ b/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/StackTrace.java
@@ -184,7 +184,15 @@ static String getFileIDFromStackFrameID(String frameID) {
 
     public static StackTrace fromSource(Map<String, Object> source) {
         String inputFrameIDs = ObjectPath.eval(PATH_FRAME_IDS, source);
+        if (inputFrameIDs == null) {
+            // If synthetic source is disabled, fallback to dotted field names.
+            inputFrameIDs = (String) source.get("Stacktrace.frame.ids");
+        }
         String inputFrameTypes = ObjectPath.eval(PATH_FRAME_TYPES, source);
+        if (inputFrameTypes == null) {
+            // If synthetic source is disabled, fallback to dotted field names.
+            inputFrameTypes = (String) source.get("Stacktrace.frame.types");
+        }
         int countsFrameIDs = inputFrameIDs.length() / BASE64_FRAME_ID_LENGTH;
 
         String[] fileIDs = new String[countsFrameIDs];
diff --git a/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/TransportGetStackTracesAction.java b/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/TransportGetStackTracesAction.java
index 60b2df08206d3..34db0cebe6077 100644
--- a/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/TransportGetStackTracesAction.java
+++ b/x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/TransportGetStackTracesAction.java
@@ -788,7 +788,12 @@ public void onExecutableDetailsResponse(MultiGetResponse multiGetItemResponses)
                 if (executable.getResponse().isExists()) {
                     // Duplicates are expected as we query multiple indices - do a quick pre-check before we deserialize a response
                     if (executables.containsKey(executable.getId()) == false) {
-                        String fileName = ObjectPath.eval(PATH_FILE_NAME, executable.getResponse().getSource());
+                        Map<String, Object> source = executable.getResponse().getSource();
+                        String fileName = ObjectPath.eval(PATH_FILE_NAME, source);
+                        if (fileName == null) {
+                            // If synthetic source is disabled, read from dotted field names.
+                            fileName = (String) source.get("Executable.file.name");
+                        }
                         if (fileName != null) {
                             executables.putIfAbsent(executable.getId(), fileName);
                         } else {