diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7921ac406..6970ded03 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -112,7 +112,7 @@ jobs:
     - name: make test
       env:
           FISH_CI_SAN: 1
-          ASAN_OPTIONS: check_initialization_order=1:detect_stack_use_after_return=1:detect_leaks=1
+          ASAN_OPTIONS: check_initialization_order=1:detect_stack_use_after_return=1:detect_leaks=1:fast_unwind_on_malloc=0
           UBSAN_OPTIONS: print_stacktrace=1:report_error_type=1
           # use_tls=0 is a workaround for LSAN crashing with "Tracer caught signal 11" (SIGSEGV),
           # which seems to be an issue with TLS support in newer glibc versions under virtualized