diff --git a/library/compiler-builtins/libm/.github/workflows/main.yaml b/library/compiler-builtins/libm/.github/workflows/main.yaml
index 7693de6559a1..89c5facef44d 100644
--- a/library/compiler-builtins/libm/.github/workflows/main.yaml
+++ b/library/compiler-builtins/libm/.github/workflows/main.yaml
@@ -270,7 +270,7 @@ jobs:
           fi
 
           LIBM_EXTENSIVE_TESTS="$CHANGED" cargo t \
-            --features build-mpfr,unstable \
+            --features build-mpfr,unstable,force-soft-floats \
             --profile release-checked \
             -- extensive
       - name: Print test logs if available