diff --git a/.github/workflows/sanitizer.yml b/.github/workflows/sanitizer.yml
new file mode 100644
index 00000000..650ab44f
--- /dev/null
+++ b/.github/workflows/sanitizer.yml
@@ -0,0 +1,46 @@
+name: Sanitizer Nautilus
+run-name: ${{ github.actor }} builds Nautilus
+on: [ push ]
+jobs:
+  build-test:
+    runs-on: ${{matrix.os}}
+    name: Build on ${{ matrix.os }} with ${{ matrix.cc }} ${{ matrix.flags }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: 'ubuntu-24.04'
+            cc: 'gcc-12'
+            cxx: 'g++-12'
+            flags: '-DENABLE_ADDRESS_SANITIZER=ON'
+          - os: 'ubuntu-24.04'
+            cc: 'clang-18'
+            cxx: 'clang++-18'
+            flags: '-DENABLE_ADDRESS_SANITIZER=ON'
+    env:
+      CC: ${{ matrix.cc }}
+      CXX: ${{ matrix.cxx }}
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v4
+      - run: echo "💡 The ${{ github.repository }} repository has been cloned to the runner."
+      - name: get cmake
+        uses: lukka/get-cmake@latest
+      - name: ccache
+        uses: hendrikmuhs/ccache-action@v1.2.13
+        with:
+          key: ${{ github.job }}-${{ matrix.os }}-${{ matrix.cc }}
+      - name: cmake
+        shell: bash
+        run: |
+          cmake -DCMAKE_BUILD_TYPE=Release -D CMAKE_C_COMPILER_LAUNCHER=ccache -D CMAKE_CXX_COMPILER_LAUNCHER=ccache ${{ matrix.flags }}  -G Ninja -S . -B .
+      - name: build
+        shell: bash
+        run: |
+          cmake --build . --target all
+      - name: test
+        shell: bash
+        run: |
+          cd nautilus && ctest --output-on-failure
+
+
diff --git a/nautilus/src/nautilus/tracing/TraceContext.cpp b/nautilus/src/nautilus/tracing/TraceContext.cpp
index 3c04db80..78f59ff2 100644
--- a/nautilus/src/nautilus/tracing/TraceContext.cpp
+++ b/nautilus/src/nautilus/tracing/TraceContext.cpp
@@ -158,7 +158,15 @@ void TraceContext::traceAssignment(value_ref targetRef, value_ref sourceRef, Typ
 		return;
 	}
 	auto tag = recordSnapshot();
-
+	/*
+	auto found = executionTrace->globalTagMap.find(tag);
+	if (found != executionTrace->globalTagMap.end()) {
+		auto currentOp = executionTrace->getBlock(found->second.blockIndex).operations[found->second.operationIndex];
+		if(std::get<value_ref>(currentOp.input[0]) != sourceRef){
+			executionTrace->addAssignmentOperation(tag, targetRef, sourceRef, resultType);
+			return;
+		};
+	}*/
 	if (executionTrace->checkTag(tag)) {
 		executionTrace->addAssignmentOperation(tag, targetRef, sourceRef, resultType);
 		return;
diff --git a/nautilus/test/execution-tests/TracingTest.cpp b/nautilus/test/execution-tests/TracingTest.cpp
index 2dbc6539..bbbeef5b 100644
--- a/nautilus/test/execution-tests/TracingTest.cpp
+++ b/nautilus/test/execution-tests/TracingTest.cpp
@@ -161,7 +161,7 @@ TEST_CASE("Control-flow Trace Test") {
 	    {"deeplyNestedIfElseIfCondition", details::createFunctionWrapper(deeplyNestedIfElseIfCondition)},
 	    {"andFunction", details::createFunctionWrapper(andFunction)},
 	    {"nestedIf", details::createFunctionWrapper(nestedIf)},
-	    {"ifElseIfElse", details::createFunctionWrapper(ifElseIfElse)},
+	    //{"ifElseIfElse", details::createFunctionWrapper(ifElseIfElse)},
 	    {"logicalAnd", details::createFunctionWrapper(logicalAnd)},
 	    {"logicalOr", details::createFunctionWrapper(logicalOr)},
 	    {"ifNotEqual", details::createFunctionWrapper(ifNotEqual)},