diff --git a/projects/spicy/build.sh b/projects/spicy/build.sh
index 132635575..d5d4fd6c6 100755
--- a/projects/spicy/build.sh
+++ b/projects/spicy/build.sh
@@ -19,7 +19,7 @@ echo 'add_subdirectory(ci/fuzz)' >> CMakeLists.txt
 
 export LIBFUZZER_LIB="/usr/local/lib/clang/15.0.0/lib/linux/libclang_rt.fuzzer_no_main-${ARCHITECTURE}.a"
 
-CXXFLAGS="${CXXFLAGS} -DHILTI_HAVE_SANITIZER" ./configure --generator=Ninja --build-type=Debug || (cat build/config.log && exit)
+CXXFLAGS="${CXXFLAGS} -DHILTI_HAVE_SANITIZER" ./configure --generator=Ninja --build-type=Release || (cat build/config.log && exit)
 mapfile -t FUZZ_TARGETS < <(ninja -C build -t targets | grep fuzz- | cut -d: -f1)
 ninja -j"$(nproc)" -C build "${FUZZ_TARGETS[@]}"