diff --git a/lib/checkuninitvar.cpp b/lib/checkuninitvar.cpp
index 52d9834b1..940c93f0e 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 546638ad4..d9b396e4f 100644
--- a/test/testuninitvar.cpp
+++ b/test/testuninitvar.cpp
@@ -73,6 +73,12 @@ private:
                        "}\n");
         ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
 
+        checkUninitVar("void foo() {\n"
+                       "    int a;\n"
+                       "    b = a - c;\n"
+                       "}\n");
+        ASSERT_EQUALS("[test.cpp:3]: (error) Uninitialized variable: a\n", errout.str());
+
         // dereferencing uninitialized pointer..
         checkUninitVar("static void foo()\n"
                        "{\n"