diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1a784c6..e4b0c2e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,6 +67,10 @@ jobs:
         sudo add-apt-repository ppa:ubuntu-toolchain-r/test
         sudo apt-get update
         sudo apt-get install gcc-13 g++-13
+        
+        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 130
+        sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-13 130
+        sudo update-alternatives --install /usr/bin/gcov gcov /usr/bin/gcov-13 130
 
     - name: Install dependencies
       run: |
diff --git a/src/storage/processing.cpp b/src/storage/processing.cpp
index 565cd00..1b11d44 100644
--- a/src/storage/processing.cpp
+++ b/src/storage/processing.cpp
@@ -50,7 +50,7 @@ OrderbookProcessor::process_incoming_update_(const Update& newUpdate)
 
     auto updateOrderbook =
         [](std::unordered_map<double, double>& orderSide, double price, double volume) {
-            if (volume == 0.0) {
+            if (volume <= 0.00000000001) {
                 orderSide.erase(price);
             }
             else {