diff --git a/lib/checkuninitvar.cpp b/lib/checkuninitvar.cpp
index efa0dae39..469ff75d0 100644
--- a/lib/checkuninitvar.cpp
+++ b/lib/checkuninitvar.cpp
@@ -465,7 +465,7 @@ private:
             }
 
             // Used..
-            if (Token::Match(tok.previous(), "[[(,+-*/=] %var% []),;+-*/]"))
+            if (Token::Match(tok.previous(), "[[(,+-*/|=] %var% []),;+-*/|]"))
             {
                 use(checks, &tok);
                 return &tok;
diff --git a/test/testuninitvar.cpp b/test/testuninitvar.cpp
index d9b396e4f..724985df4 100644
--- a/test/testuninitvar.cpp
+++ b/test/testuninitvar.cpp
@@ -35,6 +35,7 @@ private:
     void run()
     {
         TEST_CASE(uninitvar1);
+        TEST_CASE(uninitvar_bitop);		// using uninitialized operand in bit operation
         TEST_CASE(uninitvar_alloc);     // data is allocated but not initialized
         TEST_CASE(uninitvar_arrays);    // arrays
         TEST_CASE(uninitvar_class);     // class/struct
@@ -450,6 +451,22 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+
+    void uninitvar_bitop()
+    {
+        checkUninitVar("void foo() {\n"
+                       "    int b;\n"
+                       "    c = a | b;\n"
+                       "}\n");
+        ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: b\n", errout.str());
+
+        checkUninitVar("void foo() {\n"
+                       "    int b;\n"
+                       "    c = b | a;\n"
+                       "}\n");
+        ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: b\n", errout.str());
+    }
+
     // if..
     void uninitvar_if()
     {