diff --git a/bridges/source/cpp_uno/shared/vtablefactory.cxx b/bridges/source/cpp_uno/shared/vtablefactory.cxx
index ca77aea72e50..226a994bf664 100644
--- a/bridges/source/cpp_uno/shared/vtablefactory.cxx
+++ b/bridges/source/cpp_uno/shared/vtablefactory.cxx
@@ -229,9 +229,14 @@ bool VtableFactory::createBlock(Block &block, sal_Int32 slotCount) const
     sal_Size size = getBlockSize(slotCount);
     sal_Size pagesize = sysconf(_SC_PAGESIZE);
     block.size = (size + (pagesize - 1)) & ~(pagesize - 1);
-    block.start = block.exec = NULL;
     block.fd = -1;
 
+    // Try non-doublemmaped allocation first:
+    block.start = block.exec = rtl_arena_alloc(m_arena, &block.size);
+    if (block.start != nullptr) {
+        return true;
+    }
+
     osl::Security aSecurity;
     OUString strDirectory;
     OUString strURLDirectory;
@@ -290,12 +295,6 @@ bool VtableFactory::createBlock(Block &block, sal_Int32 slotCount) const
 
         strDirectory.clear();
     }
-    if (!block.start || !block.exec || block.fd == -1)
-    {
-       //Fall back to non-doublemmaped allocation
-       block.fd = -1;
-       block.start = block.exec = rtl_arena_alloc(m_arena, &block.size);
-    }
     return (block.start != 0 && block.exec != 0);
 }