diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c76aa5360..cb259407d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - name: Download LLVM
-        run: sudo apt-get install llvm-11 llvm-11
+        run: sudo apt-get install libllvm-11 llvm-11
       - name: build odin
         run: make release
       - name: Odin run
diff --git a/Makefile b/Makefile
index 2c2c5f380..30d73e211 100644
--- a/Makefile
+++ b/Makefile
@@ -8,12 +8,12 @@ OS=$(shell uname)
 
 ifeq ($(OS), Darwin)
 	LDFLAGS:=$(LDFLAGS) -liconv
-	CFLAGS:=$(CFLAGS) $(shell llvm-config --cflags) -DLLVM_BACKEND_SUPPORT -DUSE_NEW_LLVM_ABI_SYSTEM
-	LDFLAGS:=$(LDFLAGS) $(shell llvm-config --ldflags --libs) -lLLVM-C
+	CFLAGS:=$(CFLAGS) $(shell llvm-config --cxxflags --ldflags) -DLLVM_BACKEND_SUPPORT -DUSE_NEW_LLVM_ABI_SYSTEM
+	LDFLAGS:=$(LDFLAGS) $(shell llvm-config) -lLLVM-C
 endif
 ifeq ($(OS), Linux)
-	CFLAGS:=$(CFLAGS) $(shell llvm-config --cflags) -DLLVM_BACKEND_SUPPORT -DUSE_NEW_LLVM_ABI_SYSTEM
-	LDFLAGS:=$(LDFLAGS) $(shell llvm-config --ldflags --libs) -lLLVM-C
+	CFLAGS:=$(CFLAGS) $(shell llvm-config --cxxflags --ldflags) -DLLVM_BACKEND_SUPPORT -DUSE_NEW_LLVM_ABI_SYSTEM
+	LDFLAGS:=$(LDFLAGS) $(shell llvm-config) -lLLVM-C
 endif
 
 all: debug demo