diff --git a/homeassistant/components/google_generative_ai_conversation/conversation.py b/homeassistant/components/google_generative_ai_conversation/conversation.py
index f85cf2530dc..e7aaabb912d 100644
--- a/homeassistant/components/google_generative_ai_conversation/conversation.py
+++ b/homeassistant/components/google_generative_ai_conversation/conversation.py
@@ -8,6 +8,7 @@ import google.ai.generativelanguage as glm
 from google.api_core.exceptions import GoogleAPICallError
 import google.generativeai as genai
 import google.generativeai.types as genai_types
+from google.protobuf.json_format import MessageToDict
 import voluptuous as vol
 from voluptuous_openapi import convert
 
@@ -105,6 +106,17 @@ def _format_tool(tool: llm.Tool) -> dict[str, Any]:
     )
 
 
+def _adjust_value(value: Any) -> Any:
+    """Reverse unnecessary single quotes escaping."""
+    if isinstance(value, str):
+        return value.replace("\\'", "'")
+    if isinstance(value, list):
+        return [_adjust_value(item) for item in value]
+    if isinstance(value, dict):
+        return {k: _adjust_value(v) for k, v in value.items()}
+    return value
+
+
 class GoogleGenerativeAIConversationEntity(
     conversation.ConversationEntity, conversation.AbstractConversationAgent
 ):
@@ -295,21 +307,22 @@ class GoogleGenerativeAIConversationEntity(
                     response=intent_response, conversation_id=conversation_id
                 )
             self.history[conversation_id] = chat.history
-            tool_calls = [
+            function_calls = [
                 part.function_call for part in chat_response.parts if part.function_call
             ]
-            if not tool_calls or not llm_api:
+            if not function_calls or not llm_api:
                 break
 
             tool_responses = []
-            for tool_call in tool_calls:
-                tool_input = llm.ToolInput(
-                    tool_name=tool_call.name,
-                    tool_args=dict(tool_call.args),
-                )
-                LOGGER.debug(
-                    "Tool call: %s(%s)", tool_input.tool_name, tool_input.tool_args
-                )
+            for function_call in function_calls:
+                tool_call = MessageToDict(function_call._pb)  # noqa: SLF001
+                tool_name = tool_call["name"]
+                tool_args = {
+                    key: _adjust_value(value)
+                    for key, value in tool_call["args"].items()
+                }
+                LOGGER.debug("Tool call: %s(%s)", tool_name, tool_args)
+                tool_input = llm.ToolInput(tool_name=tool_name, tool_args=tool_args)
                 try:
                     function_response = await llm_api.async_call_tool(tool_input)
                 except (HomeAssistantError, vol.Invalid) as e:
@@ -321,7 +334,7 @@ class GoogleGenerativeAIConversationEntity(
                 tool_responses.append(
                     glm.Part(
                         function_response=glm.FunctionResponse(
-                            name=tool_call.name, response=function_response
+                            name=tool_name, response=function_response
                         )
                     )
                 )
diff --git a/homeassistant/helpers/llm.py b/homeassistant/helpers/llm.py
index 5591c4a8aba..57b72bc9618 100644
--- a/homeassistant/helpers/llm.py
+++ b/homeassistant/helpers/llm.py
@@ -140,7 +140,7 @@ class APIInstance:
         """Call a LLM tool, validate args and return the response."""
         async_conversation_trace_append(
             ConversationTraceEventType.LLM_TOOL_CALL,
-            {"tool_name": tool_input.tool_name, "tool_args": str(tool_input.tool_args)},
+            {"tool_name": tool_input.tool_name, "tool_args": tool_input.tool_args},
         )
 
         for tool in self.tools:
diff --git a/tests/components/google_generative_ai_conversation/test_conversation.py b/tests/components/google_generative_ai_conversation/test_conversation.py
index 4c7f2de5e2e..b282895baef 100644
--- a/tests/components/google_generative_ai_conversation/test_conversation.py
+++ b/tests/components/google_generative_ai_conversation/test_conversation.py
@@ -3,6 +3,7 @@
 from unittest.mock import AsyncMock, MagicMock, patch
 
 from freezegun import freeze_time
+from google.ai.generativelanguage_v1beta.types.content import FunctionCall
 from google.api_core.exceptions import GoogleAPICallError
 import google.generativeai.types as genai_types
 import pytest
@@ -179,8 +180,13 @@ async def test_function_call(
         chat_response = MagicMock()
         mock_chat.send_message_async.return_value = chat_response
         mock_part = MagicMock()
-        mock_part.function_call.name = "test_tool"
-        mock_part.function_call.args = {"param1": ["test_value"]}
+        mock_part.function_call = FunctionCall(
+            name="test_tool",
+            args={
+                "param1": ["test_value", "param1\\'s value"],
+                "param2": "param2\\'s value",
+            },
+        )
 
         def tool_call(hass, tool_input, tool_context):
             mock_part.function_call = None
@@ -220,7 +226,10 @@ async def test_function_call(
         hass,
         llm.ToolInput(
             tool_name="test_tool",
-            tool_args={"param1": ["test_value"]},
+            tool_args={
+                "param1": ["test_value", "param1's value"],
+                "param2": "param2's value",
+            },
         ),
         llm.ToolContext(
             platform="google_generative_ai_conversation",
@@ -279,8 +288,7 @@ async def test_function_exception(
         chat_response = MagicMock()
         mock_chat.send_message_async.return_value = chat_response
         mock_part = MagicMock()
-        mock_part.function_call.name = "test_tool"
-        mock_part.function_call.args = {"param1": 1}
+        mock_part.function_call = FunctionCall(name="test_tool", args={"param1": 1})
 
         def tool_call(hass, tool_input, tool_context):
             mock_part.function_call = None