diff --git a/Dockerfile b/Dockerfile
index 34d640e39b1..750b33c51c8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -46,7 +46,7 @@ RUN \
     # Build
     echo "Building simc executable" && \
     clang++ -v && \
-    make -C /app/SimulationCraft/engine release CXX=clang++ -j ${THREADS} THIN_LTO=1 LLVM_PGO_GENERATE=1 OPTS+="-Os -mtune=generic" SC_DEFAULT_APIKEY=${APIKEY} && \
+    make -C /app/SimulationCraft/engine release CXX=clang++ -j ${THREADS} LTO_THIN=1 LLVM_PGO_GENERATE=1 OPTS+="-Os -mtune=generic" SC_DEFAULT_APIKEY=${APIKEY} && \
     # Collect profile guided instrumentation data
     echo "Collecting profile guided instrumentation data" && \
     LLVM_PROFILE_FILE="code-%p.profraw" ./engine/simc ${PGO_PROFILE} single_actor_batch=1 iterations=100 && \
@@ -55,7 +55,7 @@ RUN \
     # Clean & rebuild with collected profile guided data.
     echo "Rebuilding simc executable with profile data for further optimization" && \
     make -C /app/SimulationCraft/engine clean && \
-    make -C /app/SimulationCraft/engine release CXX=clang++ -j ${THREADS} THIN_LTO=1 LLVM_PGO_USE=./code.profdata OPTS+="-Os -mtune=generic" SC_DEFAULT_APIKEY=${APIKEY} && \
+    make -C /app/SimulationCraft/engine release CXX=clang++ -j ${THREADS} LTO_THIN=1 LLVM_PGO_USE=./code.profdata OPTS+="-Os -mtune=generic" SC_DEFAULT_APIKEY=${APIKEY} && \
     # Cleanup dependencies
     echo "Cleaning up" && \
     apk del build_dependencies