diff --git a/netpbm/netpbm.spec b/netpbm/netpbm.spec
index 41788fa25d..ab6b46f8ee 100644
--- a/netpbm/netpbm.spec
+++ b/netpbm/netpbm.spec
@@ -33,7 +33,7 @@ Distribution: OpenPKG [BASE]
 Group:        Graphics
 License:      MIT-style
 Version:      10.11.10
-Release:      20030715
+Release:      20030801
 
 #   list of sources
 Source0:      http://osdn.dl.sourceforge.net/sourceforge/netpbm/netpbm-%{version}.tgz
@@ -41,8 +41,8 @@ Source0:      http://osdn.dl.sourceforge.net/sourceforge/netpbm/netpbm-%{version
 #   build information
 Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
-BuildPreReq:  OpenPKG, openpkg >= 20021230, make, gcc, perl, flex
-PreReq:       OpenPKG, openpkg >= 20021230
+BuildPreReq:  OpenPKG, openpkg >= 20021230, perl, make, gcc, flex
+PreReq:       OpenPKG, openpkg >= 20021230, perl
 BuildPreReq:  tiff, jpeg, png, zlib
 PreReq:       tiff, jpeg, png, zlib
 AutoReq:      no
@@ -93,6 +93,13 @@ AutoReqProv:  no
         $RPM_BUILD_ROOT%{l_prefix}/share/netpbm \
         $RPM_BUILD_ROOT%{l_prefix}/include/netpbm
     %{l_make} %{l_mflags} -f GNUmakefile package pkgdir=$RPM_BUILD_ROOT%{l_prefix}
+    %{l_shtool} subst \
+        -e 's;/usr/bin/perl;%{l_prefix}/bin/perl;g' \
+        $RPM_BUILD_ROOT%{l_prefix}/bin/manweb \
+        $RPM_BUILD_ROOT%{l_prefix}/bin/pnmquant \
+        $RPM_BUILD_ROOT%{l_prefix}/bin/ppmfade \
+        $RPM_BUILD_ROOT%{l_prefix}/bin/ppmrainbow \
+        $RPM_BUILD_ROOT%{l_prefix}/bin/ppmshadow
     strip $RPM_BUILD_ROOT%{l_prefix}/bin/* >/dev/null 2>&1 || true
     rm -f $RPM_BUILD_ROOT%{l_prefix}/bin/doc.url
     rm -f $RPM_BUILD_ROOT%{l_prefix}/pkginfo
diff --git a/patchutils/patchutils.spec b/patchutils/patchutils.spec
index 236cebee55..772d45a8db 100644
--- a/patchutils/patchutils.spec
+++ b/patchutils/patchutils.spec
@@ -33,7 +33,7 @@ Distribution: OpenPKG [PLUS]
 Group:        Converter
 License:      GPL
 Version:      0.2.24
-Release:      20030725
+Release:      20030801
 
 #   list of sources
 Source0:      http://cyberelk.net/tim/data/patchutils/stable/patchutils-%{version}.tar.bz2
@@ -42,7 +42,7 @@ Source0:      http://cyberelk.net/tim/data/patchutils/stable/patchutils-%{versio
 Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
 BuildPreReq:  OpenPKG, openpkg >= 20020206, make, gcc
-PreReq:       OpenPKG, openpkg >= 20020206
+PreReq:       OpenPKG, openpkg >= 20020206, perl
 AutoReq:      no
 AutoReqProv:  no
 
@@ -74,6 +74,7 @@ AutoReqProv:  no
 %build
     CC="%{l_cc}" \
     CFLAGS="%{l_cflags -O}" \
+    PERL="%{l_prefix}/bin/perl" \
     ./configure \
         --prefix=%{l_prefix} \
         --disable-nls