diff --git a/libnbd.spec b/libnbd.spec
index 529fcde..ce034a2 100644
--- a/libnbd.spec
+++ b/libnbd.spec
@@ -209,6 +209,9 @@ for f in fuse/test-*.sh; do
     chmod +x $f
 done
 
+# Disable the tests on 32 bit because:
+# https://github.com/ocaml/ocaml/issues/9460
+%ifarch aarch64 ppc64 ppc64le riscv64 s390x x86_64
 make %{?_smp_mflags} check || {
     for f in $(find -name test-suite.log); do
         echo
@@ -217,6 +220,7 @@ make %{?_smp_mflags} check || {
     done
     exit 1
   }
+%endif
 
 
 %files