diff --git a/PKGBUILD b/PKGBUILD
index 15031dd..66e8497 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -121,7 +121,7 @@ build() {
     -DCMAKE_CXX_FLAGS="-flto=1" \
     -Dtde2e_DIR="${srcdir}/td-${_tdlib_commit}/install/lib/cmake/tde2e"
 
-  cmake --build "${srcdir}/build" --parallel 2
+  cmake --build "${srcdir}/build" --parallel 1
 }
 
 package() {