diff --git a/Library/OcAppleKernelLib/Link.c b/Library/OcAppleKernelLib/Link.c
index 6cc04d9b..036a595b 100644
--- a/Library/OcAppleKernelLib/Link.c
+++ b/Library/OcAppleKernelLib/Link.c
@@ -605,7 +605,7 @@ InternalCalculateTargetsIntel64 (
 
     TargetAddress = ALIGN_VALUE (
                       (Section->Address + LoadAddress),
-                      (1U << Section->Alignment)
+                      (UINT64)(1U << Section->Alignment)
                       );
     TargetAddress -= Section->Address;
   }
@@ -1593,7 +1593,7 @@ InternalPrelinkKext64 (
     while ((Section = MachoGetNextSection64 (MachoContext, Segment, Section)) != NULL) {
       Section->Address = ALIGN_VALUE (
                            (Section->Address + LoadAddress),
-                           (1U << Section->Alignment)
+                           (UINT64)(1U << Section->Alignment)
                            );
     }
 
diff --git a/Library/OcMachoLib/Symbols.c b/Library/OcMachoLib/Symbols.c
index 82146ead..3e99c232 100644
--- a/Library/OcMachoLib/Symbols.c
+++ b/Library/OcMachoLib/Symbols.c
@@ -594,7 +594,7 @@ MachoRelocateSymbol64 (
 
     Value = ALIGN_VALUE (
               (Section->Address + LinkAddress),
-              (1U << Section->Alignment)
+              (UINT64)(1U << Section->Alignment)
               );
     Value -= Section->Address;
     //