diff --git a/configs/sites/tier1/s4/compilers.yaml b/configs/sites/tier1/s4/compilers.yaml
index c58a36cdf..dff2729fb 100644
--- a/configs/sites/tier1/s4/compilers.yaml
+++ b/configs/sites/tier1/s4/compilers.yaml
@@ -13,9 +13,9 @@ compilers:
     - intel/2023.2
     environment:
       prepend_path:
-        PATH: /opt/gcc/13.3/lib64/bin
+        PATH: /opt/gcc/13.3/bin
         LD_LIBRARY_PATH: /opt/intel/oneapi/2023.2/compiler/2023.2.0/linux/compiler/lib/intel64_lin:/opt/gcc/13.3/lib64:/opt/gcc/13.3/lib
-        CPATH: /opt/gcc/13.3/lib64/include
+        CPATH: /opt/gcc/13.3/include
     extra_rpaths: []
 - compiler:
     spec: gcc@=13.3.0