diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dacf5af..dc0529a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -217,7 +217,6 @@ jobs:
         ./gradlew build
         
   build-cosmopolitan:
-    name: cosmopolitan
     runs-on: ubuntu-latest
     timeout-minutes: 10
 
@@ -226,6 +225,7 @@ jobs:
     - name: Build αcτµαlly pδrταblε εxεcµταblε
       run: |
         cd platforms/cosmopolitan
+        gcc -v
         ./build.sh
     - name: Test WebAssembly spec
       run: |
diff --git a/source/m3_api_wasi.c b/source/m3_api_wasi.c
index ea83d1a..62cf195 100644
--- a/source/m3_api_wasi.c
+++ b/source/m3_api_wasi.c
@@ -92,7 +92,7 @@ Preopen preopen[PREOPEN_CNT] = {
 #  define APE_SWITCH_END          {}
 #  define APE_CASE_RET(e1,e2)     if (errnum == e1)    return e2;   else
 #else
-#  define APE_SWITCH              switch (errnum) {
+#  define APE_SWITCH_BEG          switch (errnum) {
 #  define APE_SWITCH_END          }
 #  define APE_CASE_RET(e1,e2)     case e1:   return e2;   break;
 #endif