diff --git a/fastapi/dependencies/utils.py b/fastapi/dependencies/utils.py
index cc7e55b4b..7a50185a2 100644
--- a/fastapi/dependencies/utils.py
+++ b/fastapi/dependencies/utils.py
@@ -550,7 +550,7 @@ def analyze_param(
                     # For Pydantic v1
                     and getattr(field, "shape", 1) == 1
                 )
-            )
+            ), f"Query param {param_name!r} must be of one of the supported types"
 
     return ParamDetails(type_annotation=type_annotation, depends=depends, field=field)
 
diff --git a/tests/test_invalid_sequence_param.py b/tests/test_invalid_sequence_param.py
index 475786adb..1698fbd50 100644
--- a/tests/test_invalid_sequence_param.py
+++ b/tests/test_invalid_sequence_param.py
@@ -6,7 +6,10 @@ from pydantic import BaseModel
 
 
 def test_invalid_sequence():
-    with pytest.raises(AssertionError):
+    with pytest.raises(
+        AssertionError,
+        match="Query param 'q' must be of one of the supported types",
+    ):
         app = FastAPI()
 
         class Item(BaseModel):
@@ -18,7 +21,10 @@ def test_invalid_sequence():
 
 
 def test_invalid_tuple():
-    with pytest.raises(AssertionError):
+    with pytest.raises(
+        AssertionError,
+        match="Query param 'q' must be of one of the supported types",
+    ):
         app = FastAPI()
 
         class Item(BaseModel):
@@ -30,7 +36,10 @@ def test_invalid_tuple():
 
 
 def test_invalid_dict():
-    with pytest.raises(AssertionError):
+    with pytest.raises(
+        AssertionError,
+        match="Query param 'q' must be of one of the supported types",
+    ):
         app = FastAPI()
 
         class Item(BaseModel):
@@ -42,7 +51,10 @@ def test_invalid_dict():
 
 
 def test_invalid_simple_dict():
-    with pytest.raises(AssertionError):
+    with pytest.raises(
+        AssertionError,
+        match="Query param 'q' must be of one of the supported types",
+    ):
         app = FastAPI()
 
         class Item(BaseModel):