diff --git a/lang/perl/files/config.sh-powerpc.in b/lang/perl/files/config.sh-powerpc.in
index 39b595516..ec935dd7c 100644
--- a/lang/perl/files/config.sh-powerpc.in
+++ b/lang/perl/files/config.sh-powerpc.in
@@ -600,13 +600,13 @@ html1direxp=''
 html3dir=' '
 html3direxp=''
 i16size='2'
-i16type='short'
+i16type='signed short'
 i32size='4'
-i32type='long'
+i32type='signed long'
 i64size='8'
-i64type='long long'
+i64type='signed long long'
 i8size='1'
-i8type='char'
+i8type='signed char'
 i_arpainet='define'
 i_bsdioctl=''
 i_crypt='define'