diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cbfdb89ed0..ed712ac3a7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,6 +43,8 @@ jobs:
   alpine-docker-musl-gcc:
     name: alpine-musl
     runs-on: ubuntu-latest
+    env:
+      V_CI_MUSL: 1
     steps:
 
     - name: Checkout
@@ -208,6 +210,7 @@ jobs:
     runs-on: ubuntu-18.04
     env:
       VFLAGS: -cc musl-gcc
+      V_CI_MUSL: 1
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-node@v1
diff --git a/vlib/v/tests/valgrind/valgrind_test.v b/vlib/v/tests/valgrind/valgrind_test.v
index ea4ea99e56..5c26b9f658 100644
--- a/vlib/v/tests/valgrind/valgrind_test.v
+++ b/vlib/v/tests/valgrind/valgrind_test.v
@@ -12,6 +12,10 @@ fn test_all() {
 		eprintln('You can still do it by setting FORCE_VALGRIND_TEST=1 .')
 		exit(0)
 	}
+	if os.getenv('V_CI_MUSL').len > 0 {
+		eprintln('This test is disabled for musl.')
+		exit(0)
+	}
 	bench_message := 'memory leak checking with valgrind'
 	mut bench := benchmark.new_benchmark()
 	eprintln(term.header(bench_message, '-'))