diff --git a/flang/lib/Lower/OpenACC.cpp b/flang/lib/Lower/OpenACC.cpp
index d46c0c54ee460..a0d10847ea50b 100644
--- a/flang/lib/Lower/OpenACC.cpp
+++ b/flang/lib/Lower/OpenACC.cpp
@@ -1481,6 +1481,8 @@ genACCUpdateOp(Fortran::lower::AbstractConverter &converter,
       genDataOperandOperations<mlir::acc::UpdateDeviceOp>(
           deviceClause->v, converter, semanticsContext, stmtCtx,
           dataClauseOperands, mlir::acc::DataClause::acc_update_device, false);
+    } else if (std::get_if<Fortran::parser::AccClause::IfPresent>(&clause.u)) {
+      addIfPresentAttr = true;
     }
   }
 
diff --git a/flang/test/Lower/OpenACC/acc-update.f90 b/flang/test/Lower/OpenACC/acc-update.f90
index ee02371e2d4f6..ac25cb12a1ffe 100644
--- a/flang/test/Lower/OpenACC/acc-update.f90
+++ b/flang/test/Lower/OpenACC/acc-update.f90
@@ -14,6 +14,11 @@ subroutine acc_update
   !$acc update host(a)
 ! CHECK: %[[DEVPTR_A:.*]] = acc.getdeviceptr varPtr(%[[A]] : !fir.ref<!fir.array<10x10xf32>>) bounds(%{{.*}}, %{{.*}}) -> !fir.ref<!fir.array<10x10xf32>> {dataClause = 17 : i64, name = "a", structured = false}
 ! CHECK: acc.update dataOperands(%[[DEVPTR_A]] : !fir.ref<!fir.array<10x10xf32>>){{$}}
+! CHECK: acc.update_host accPtr(%[[DEVPTR_A]] : !fir.ref<!fir.array<10x10xf32>>) bounds(%{{.*}}, %{{.*}}) to varPtr(%[[A]] : !fir.ref<!fir.array<10x10xf32>>) {name = "a", structured = false}
+
+  !$acc update host(a) if_present
+! CHECK: %[[DEVPTR_A:.*]] = acc.getdeviceptr varPtr(%[[A]] : !fir.ref<!fir.array<10x10xf32>>) bounds(%{{.*}}, %{{.*}}) -> !fir.ref<!fir.array<10x10xf32>> {dataClause = 17 : i64, name = "a", structured = false}
+! CHECK: acc.update dataOperands(%[[DEVPTR_A]] : !fir.ref<!fir.array<10x10xf32>>) attributes {ifPresent}{{$}}
 ! CHECK: acc.update_host accPtr(%[[DEVPTR_A]] : !fir.ref<!fir.array<10x10xf32>>) bounds(%{{.*}}, %{{.*}}) to varPtr(%[[A]] : !fir.ref<!fir.array<10x10xf32>>) {name = "a", structured = false}
 
   !$acc update host(a) if(.true.)