diff --git a/lib/checkunusedvar.cpp b/lib/checkunusedvar.cpp
index d23bb5a0e..19c8f4c38 100644
--- a/lib/checkunusedvar.cpp
+++ b/lib/checkunusedvar.cpp
@@ -591,6 +591,8 @@ void CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(const Scope* const
     if (scope->type != Scope::eClass && scope->type != Scope::eUnion && scope->type != Scope::eStruct) {
         // Find declarations
         for (std::list<Variable>::const_iterator i = scope->varlist.begin(); i != scope->varlist.end(); ++i) {
+            if (i->isThrow())
+                continue;
             Variables::VariableType type = Variables::none;
             if (i->isArray() && (i->nameToken()->previous()->str() == "*" || i->nameToken()->strAt(-2) == "*"))
                 type = Variables::pointerArray;
@@ -639,7 +641,7 @@ void CheckUnusedVar::checkFunctionVariableUsage_iterateScopes(const Scope* const
 
     // Check variable usage
     for (const Token *tok = scope->classDef->next(); tok && tok != scope->classEnd; tok = tok->next()) {
-        if (tok->str() == "for" || tok->str() == "catch") {
+        if (tok->str() == "for") {
             for (std::list<Scope*>::const_iterator i = scope->nestedList.begin(); i != scope->nestedList.end(); ++i) {
                 if ((*i)->classDef == tok) { // Find associated scope
                     checkFunctionVariableUsage_iterateScopes(*i, variables); // Scan child scope
diff --git a/test/testunusedvar.cpp b/test/testunusedvar.cpp
index 2e9f702ee..6e486a496 100644
--- a/test/testunusedvar.cpp
+++ b/test/testunusedvar.cpp
@@ -110,6 +110,8 @@ private:
         TEST_CASE(localvarconst1);
         TEST_CASE(localvarconst2);
 
+        TEST_CASE(localvarthrow); // ticket #3687
+
         // Don't give false positives for variables in structs/unions
         TEST_CASE(localvarStruct1);
         TEST_CASE(localvarStruct2);
@@ -2998,6 +3000,14 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void localvarthrow() { // ticket #3687
+        functionVariableUsage("void foo() {\n"
+                              "    try {}"
+                              "    catch(Foo& bar) {}\n"
+                              "}");
+        ASSERT_EQUALS("", errout.str());
+    }
+
     // ticket #3104 - false positive when variable is read with "if (NOT var)"
     void localvarIfNOT() {
         functionVariableUsage("void f() {\n"