diff --git a/waflib/extras/msvc_pdb.py b/waflib/extras/msvc_pdb.py
index 881a2d53..8ee541c4 100644
--- a/waflib/extras/msvc_pdb.py
+++ b/waflib/extras/msvc_pdb.py
@@ -2,7 +2,8 @@
 # encoding: utf-8
 # Rafaël Kooi 2019
 
-from waflib import TaskGen, Tools
+from waflib import TaskGen, Tools, Task
+
 @TaskGen.feature('c', 'cxx', 'fc')
 @TaskGen.after_method('propagate_uselib_vars')
 def add_pdb_per_object(self):
@@ -16,6 +17,12 @@ def add_pdb_per_object(self):
     link_task = getattr(self, 'link_task', None)
 
     for task in self.compiled_tasks:
+        # Check for task class, otherwise we may add flags or PDB node
+        # to wrong file, like .rc's
+        tup = tuple(y for y in [Task.classes.get(x) for x in ('c', 'cxx', 'fc')] if y)
+        if not isinstance(task, tup):
+            continue
+
         node = task.outputs[0].change_ext('.pdb')
         pdb_flag = '/Fd:' + node.abspath()