diff --git a/scripts/build-brotli b/scripts/build-brotli
index 86be383..620e94a 100755
--- a/scripts/build-brotli
+++ b/scripts/build-brotli
@@ -8,6 +8,12 @@ RESET='\E[0m'
 
 echo -e "${BLUE}❯ ${CYAN}Building brotli ${YELLOW}${LUA_VERSION}...${RESET}"
 
+# Determine the correct binary file for the architecture given
+M64="-m64"
+if [ "$TARGETPLATFORM" = "linux/arm/v7" ]; then
+	M64=
+fi
+
 cd /tmp
 git clone --recurse-submodules -j8 "https://github.com/google/ngx_brotli"
 cd /tmp/ngx_brotli/deps/brotli
@@ -15,7 +21,7 @@ cd /tmp/ngx_brotli/deps/brotli
 mkdir -p /tmp/ngx_brotli/deps/brotli/out
 cd /tmp/ngx_brotli/deps/brotli/out
 
-cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DCMAKE_C_FLAGS="-Ofast -m64 -march=native -mtune=native -flto -funroll-loops -ffunction-sections -fdata-sections -Wl,--gc-sections" -DCMAKE_CXX_FLAGS="-Ofast -m64 -march=native -mtune=native -flto -funroll-loops -ffunction-sections -fdata-sections -Wl,--gc-sections" -DCMAKE_INSTALL_PREFIX=./installed ..
+cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DCMAKE_C_FLAGS="-Ofast $M64 -march=native -mtune=native -flto -funroll-loops -ffunction-sections -fdata-sections -Wl,--gc-sections" -DCMAKE_CXX_FLAGS="-Ofast -m64 -march=native -mtune=native -flto -funroll-loops -ffunction-sections -fdata-sections -Wl,--gc-sections" -DCMAKE_INSTALL_PREFIX=./installed ..
 cmake --build . --config Release --target brotlienc
 
 echo -e "${BLUE}❯ ${GREEN}brotli build completed${RESET}"