diff --git a/Makefile b/Makefile
index b1f120ce..17163df4 100644
--- a/Makefile
+++ b/Makefile
@@ -93,19 +93,19 @@ wlr-output-power-management-unstable-v1-protocol.o: wlr-output-power-management-
 
 legacyrenderer:
 	mkdir -p build && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -DLEGACY_RENDERER:STRING=true -H./ -B./build -G Ninja
-	cmake --build ./build --config Release --target all -j 10
+	cmake --build ./build --config Release --target all -j $(nproc)
 
 legacyrendererdebug:
 	mkdir -p build && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Debug -DLEGACY_RENDERER:STRING=true -H./ -B./build -G Ninja
-	cmake --build ./build --config Release --target all -j 10
+	cmake --build ./build --config Release --target all -j $(nproc)
 
 release:
 	mkdir -p build && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Release -H./ -B./build -G Ninja
-	cmake --build ./build --config Release --target all -j 10
+	cmake --build ./build --config Release --target all -j $(nproc)
 
 debug:
 	mkdir -p build && cmake --no-warn-unused-cli -DCMAKE_BUILD_TYPE:STRING=Debug -H./ -B./build -G Ninja
-	cmake --build ./build --config Debug --target all -j 10
+	cmake --build ./build --config Debug --target all -j $(nproc)
 
 clear:
 	rm -rf build