diff --git a/.github/workflows/spec-tests.yml b/.github/workflows/spec-tests.yml
index 41beef2..2585b9b 100644
--- a/.github/workflows/spec-tests.yml
+++ b/.github/workflows/spec-tests.yml
@@ -11,17 +11,9 @@ jobs:
       fail-fast: false
       matrix:
         compiler: [gcc, clang]
+        build_type: ["-DCMAKE_BUILD_TYPE=Debug", ""]            
         #flags: ["", "-m32"]    # TODO
 
-        include:
-          - compiler: gcc
-            flags: ""
-            build_type: -DCMAKE_BUILD_TYPE="Debug"
-
-          - compiler: gcc
-            flags: ""
-            build_type: ""
-
     steps:
     - uses: actions/checkout@v1
     - name: Install multilib