diff --git a/flang/test/Semantics/OpenACC/acc-host-data.f90 b/flang/test/Semantics/OpenACC/acc-host-data.f90
--- a/flang/test/Semantics/OpenACC/acc-host-data.f90
+++ b/flang/test/Semantics/OpenACC/acc-host-data.f90
@@ -27,9 +27,14 @@
   !$acc host_data use_device(aa, bb) if_present
   !$acc end host_data
 
+  !ERROR: At most one IF_PRESENT clause can appear on the HOST_DATA directive
+  !$acc host_data use_device(aa, bb) if_present if_present
+  !$acc end host_data
+
   !$acc host_data use_device(aa, bb) if(.true.) if_present
   !$acc end host_data
 
+  !ERROR: At most one IF clause can appear on the HOST_DATA directive
   !$acc host_data use_device(aa, bb) if(.true.) if(ifCondition)
   !$acc end host_data
 
diff --git a/llvm/include/llvm/Frontend/OpenACC/ACC.td b/llvm/include/llvm/Frontend/OpenACC/ACC.td
--- a/llvm/include/llvm/Frontend/OpenACC/ACC.td
+++ b/llvm/include/llvm/Frontend/OpenACC/ACC.td
@@ -506,7 +506,7 @@
 
 // 2.8
 def ACC_HostData : Directive<"host_data"> {
-  let allowedClauses = [
+  let allowedOnceClauses = [
     VersionedClause<ACCC_If>,
     VersionedClause<ACCC_IfPresent>
   ];