diff --git a/nmap-4.20-nostrip.patch b/nmap-4.20-nostrip.patch
new file mode 100644
index 0000000..690d9dd
--- /dev/null
+++ b/nmap-4.20-nostrip.patch
@@ -0,0 +1,20 @@
+--- nmap-4.20/Makefile.in.lr	2007-01-30 14:19:01.000000000 +0100
++++ nmap-4.20/Makefile.in	2007-01-30 14:19:38.000000000 +0100
+@@ -152,7 +152,7 @@
+ 
+ install-nmap: $(TARGET)
+ 	$(SHTOOL) mkdir -f -p -m 755 $(DESTDIR)$(bindir) $(DESTDIR)$(mandir)/man1 $(DESTDIR)$(nmapdatadir)
+-	$(INSTALL) -c -m 755 -s nmap $(DESTDIR)$(bindir)/nmap
++	$(INSTALL) -c -m 755 nmap $(DESTDIR)$(bindir)/nmap
+ 	$(INSTALL) -c -m 644 docs/$(TARGET).1 $(DESTDIR)$(mandir)/man1/$(TARGET).1
+ 	$(INSTALL) -c -m 644 docs/nmap.xsl $(DESTDIR)$(nmapdatadir)/
+ 	$(INSTALL) -c -m 644 docs/nmap.dtd $(DESTDIR)$(nmapdatadir)/
+@@ -167,7 +167,7 @@
+ install-nmapfe: $(TARGETNMAPFE)
+ 	$(SHTOOL) mkdir -f -p -m 755 $(DESTDIR)$(bindir) $(DESTDIR)$(mandir)/man1 $(DESTDIR)$(nmapdatadir) $(DESTDIR)$(deskdir)
+ 	@echo "If the next command fails -- you cannot use the X front end"
+-	-test -f nmapfe/nmapfe && $(INSTALL) -c -m 755 -s nmapfe/nmapfe $(DESTDIR)$(bindir)/nmapfe && rm -f $(DESTDIR)$(bindir)/xnmap && $(SHTOOL) mkln -f -s $(DESTDIR)$(bindir)/nmapfe $(DESTDIR)$(bindir)/xnmap && $(INSTALL) -c -m 644 nmapfe.desktop $(DESTDIR)$(deskdir)/nmapfe.desktop && $(INSTALL) -c -m 644 docs/nmapfe.1 $(DESTDIR)$(mandir)/man1/nmapfe.1 && $(INSTALL) -c -m 644 docs/xnmap.1 $(DESTDIR)$(mandir)/man1/xnmap.1
++	-test -f nmapfe/nmapfe && $(INSTALL) -c -m 755 nmapfe/nmapfe $(DESTDIR)$(bindir)/nmapfe && rm -f $(DESTDIR)$(bindir)/xnmap && $(SHTOOL) mkln -f $(DESTDIR)$(bindir)/nmapfe $(DESTDIR)$(bindir)/xnmap && $(INSTALL) -c -m 644 nmapfe.desktop $(DESTDIR)$(deskdir)/nmapfe.desktop && $(INSTALL) -c -m 644 docs/nmapfe.1 $(DESTDIR)$(mandir)/man1/nmapfe.1 && $(INSTALL) -c -m 644 docs/xnmap.1 $(DESTDIR)$(mandir)/man1/xnmap.1
+ 
+ install: install-nmap $(INSTALLNMAPFE)
+ 
diff --git a/nmap.spec b/nmap.spec
index 167e114..7909eb8 100644
--- a/nmap.spec
+++ b/nmap.spec
@@ -1,7 +1,7 @@
 Summary: Network exploration tool and security scanner
 Name: nmap
 Version: 4.20
-Release: 1
+Release: 2%{?dist}
 License: GPL
 Group: Applications/System
 Source0: http://download.insecure.org/nmap/dist/%{name}-%{version}.tar.bz2
@@ -12,6 +12,7 @@ Patch0: inet_aton.patch
 Patch1: makefile.patch
 Patch3: nmap-3.81-noms.patch
 Patch4: nmap-4.03-mktemp.patch
+Patch5: nmap-4.20-nostrip.patch
 URL: http://www.insecure.org/nmap/
 BuildRoot: %{_tmppath}/%{name}-root
 Epoch: 2
@@ -39,6 +40,7 @@ be installed before installing nmap-frontend.
 %setup -q
 %patch3 -p1 -b .noms
 %patch4 -p1
+%patch5 -p1
 
 %build
 %configure  --with-libpcap=/usr
@@ -87,6 +89,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man1/xnmap.1.gz
 
 %changelog
+* Tue Jan 30 2007 Florian La Roche <laroche@redhat.com>
+- do not strip away debuginfo
+
 * Tue Jan 09 2007 Florian La Roche <laroche@redhat.com>
 - version 4.20