diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py
index 16069e522f..1cbadf0153 100755
--- a/test/functional/test_framework/test_framework.py
+++ b/test/functional/test_framework/test_framework.py
@@ -725,22 +725,22 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass):
         pass
 
     def generate(self, generator, *args, sync_fun=None, **kwargs):
-        blocks = generator.generate(*args, invalid_call=False, **kwargs)
+        blocks = generator.generate(*args, called_by_framework=True, **kwargs)
         sync_fun() if sync_fun else self.sync_all()
         return blocks
 
     def generateblock(self, generator, *args, sync_fun=None, **kwargs):
-        blocks = generator.generateblock(*args, invalid_call=False, **kwargs)
+        blocks = generator.generateblock(*args, called_by_framework=True, **kwargs)
         sync_fun() if sync_fun else self.sync_all()
         return blocks
 
     def generatetoaddress(self, generator, *args, sync_fun=None, **kwargs):
-        blocks = generator.generatetoaddress(*args, invalid_call=False, **kwargs)
+        blocks = generator.generatetoaddress(*args, called_by_framework=True, **kwargs)
         sync_fun() if sync_fun else self.sync_all()
         return blocks
 
     def generatetodescriptor(self, generator, *args, sync_fun=None, **kwargs):
-        blocks = generator.generatetodescriptor(*args, invalid_call=False, **kwargs)
+        blocks = generator.generatetodescriptor(*args, called_by_framework=True, **kwargs)
         sync_fun() if sync_fun else self.sync_all()
         return blocks
 
diff --git a/test/functional/test_framework/test_node.py b/test/functional/test_framework/test_node.py
index d896a421d4..d67b5bc7a5 100755
--- a/test/functional/test_framework/test_node.py
+++ b/test/functional/test_framework/test_node.py
@@ -352,16 +352,16 @@ class TestNode():
         self.log.debug("TestNode.generate() dispatches `generate` call to `generatetoaddress`")
         return self.generatetoaddress(nblocks=nblocks, address=self.get_deterministic_priv_key().address, maxtries=maxtries, **kwargs)
 
-    def generateblock(self, *args, invalid_call, **kwargs):
-        assert not invalid_call
+    def generateblock(self, *args, called_by_framework, **kwargs):
+        assert called_by_framework, "Direct call of this mining RPC is discouraged. Please use one of the self.generate* methods on the test framework, which sync the nodes to avoid intermittent test issues. You may use sync_fun=self.no_op to disable the sync explicitly."
         return self.__getattr__('generateblock')(*args, **kwargs)
 
-    def generatetoaddress(self, *args, invalid_call, **kwargs):
-        assert not invalid_call
+    def generatetoaddress(self, *args, called_by_framework, **kwargs):
+        assert called_by_framework, "Direct call of this mining RPC is discouraged. Please use one of the self.generate* methods on the test framework, which sync the nodes to avoid intermittent test issues. You may use sync_fun=self.no_op to disable the sync explicitly."
         return self.__getattr__('generatetoaddress')(*args, **kwargs)
 
-    def generatetodescriptor(self, *args, invalid_call, **kwargs):
-        assert not invalid_call
+    def generatetodescriptor(self, *args, called_by_framework, **kwargs):
+        assert called_by_framework, "Direct call of this mining RPC is discouraged. Please use one of the self.generate* methods on the test framework, which sync the nodes to avoid intermittent test issues. You may use sync_fun=self.no_op to disable the sync explicitly."
         return self.__getattr__('generatetodescriptor')(*args, **kwargs)
 
     def setmocktime(self, timestamp):