diff --git a/rtl/powerpc64/strings.inc b/rtl/powerpc64/strings.inc
index 11024dc32b..00b2671a68 100644
--- a/rtl/powerpc64/strings.inc
+++ b/rtl/powerpc64/strings.inc
@@ -15,6 +15,8 @@
 
  **********************************************************************}
 
+{$ifdef FPC_BIG_ENDIAN}
+
 { Note: the implementation of these routines is for BIG ENDIAN only!! (JM) }
 
 {$ifndef FPC_UNIT_HAS_STRCOPY}
@@ -166,6 +168,8 @@ asm
 end;
 {$endif FPC_UNIT_HAS_STRECOPY}
 
+{$endif FPC_BIG_ENDIAN}
+
 
 {$ifndef FPC_UNIT_HAS_STRLCOPY}
 {$define FPC_UNIT_HAS_STRLCOPY}