diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 99c96321..f22499b8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -338,14 +338,16 @@ jobs:
           CTT_ASM=0 cargo test -- --nocapture
 
       - name: Compile Constantine Zkalc benchmark (no assembly)
-        if: matrix.target.BACKEND == 'NO_ASM'
+        # Skip 32-bit as that would need clang-multilib or -m32
+        if: matrix.target.BACKEND == 'NO_ASM' && matrix.target.cpu != 'i386'
         shell: bash
         run: |
           cd constantine
           CTT_ASM=0 nimble make_zkalc
 
       - name: Compile Constantine Zkalc benchmark (with assembly)
-        if: matrix.target.BACKEND == 'ASM'
+        # Skip 32-bit as that would need clang-multilib or -m32
+        if: matrix.target.BACKEND == 'ASM' && matrix.target.cpu != 'i386'
         shell: bash
         run: |
           cd constantine