diff --git a/.forgejo/workflows/check-gcc.yaml b/.forgejo/workflows/check-gcc.yaml
index e8dc9a3..b28fa13 100644
--- a/.forgejo/workflows/check-gcc.yaml
+++ b/.forgejo/workflows/check-gcc.yaml
@@ -15,7 +15,7 @@ jobs:
         run: | 
           git clone https://git.kappach.at/KappaChat/Cytoplasm --depth=1
           cd Cytoplasm
-          ./configure --with-lmdb
+          ./configure --with-lmdb --prefix=/usr
       - name: Build Cytoplasm
         run: 'cd Cytoplasm && make -j$(nproc)'
       - name: Install Cytoplasm