diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0c7024af..eff6570ec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,7 +46,12 @@ jobs:
           environment-file: environment-dev.yml
           python-version: ${{ matrix.python }}
           miniconda-version: "latest"
-        
+
+      - name: Install Conda GCC
+        if: runner.os == 'Linux'
+        run: |
+          conda install -y -c conda-forge gcc gxx
+
       - name: Install Helios
         run: |
           python -m pip install -v .
diff --git a/README.md b/README.md
index 3c031abdd..8abfe40aa 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,11 @@ git clone https://github.com/3dgeo-heidelberg/helios.git
 cd helios
 conda env create -f environment-dev.yml
 conda activate helios-dev
+
+# On Linux, the following line is recommended, to go with a Conda-provided compiler.
+# We had issues with incompatible system compilers before.
+conda install -c conda-forge gcc gxx
+
 python -m pip install --no-deps -v -e .
 ```
 
diff --git a/src/scene/dynamic/DynSequence.h b/src/scene/dynamic/DynSequence.h
index 98b829f50..bfc27fe24 100644
--- a/src/scene/dynamic/DynSequence.h
+++ b/src/scene/dynamic/DynSequence.h
@@ -205,7 +205,7 @@ class DynSequence {
      * @param id New identifier for the dynamic sequence
      * @see DynSequence::setId
      */
-    inline void setId(string const & id) const {this->id = id;}
+    inline void setId(string const & id) {this->id = id;}
     /**
      * @brief Get next identifier for the dynamic sequence
      * @return Identifier of next dynamic sequence