diff --git a/debian/lenny/applications/kpilot/debian/control b/debian/lenny/applications/kpilot/debian/control
index 72b4e03aa..e6427f753 100644
--- a/debian/lenny/applications/kpilot/debian/control
+++ b/debian/lenny/applications/kpilot/debian/control
@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: Timothy Pearson <kb9vqf@pearsoncomputing.net> 
 Build-Depends: cdbs (>= 0.4.39-0.1), debhelper (>= 7.0.50~), tdelibs14-trinity-dev, tdepim-trinity-dev,
                libopensync0-dev, libpisock-dev,
-               bison, byacc, bzip2, flex, groff-base,
+               bison, byacc, bzip2, flex, libfl-dev | flex (<< 2.5.39), groff-base,
                libboost-dev (>= 1.33.1), libgpgme11-dev,
                automake, autoconf, libtool, libltdl-dev
 Standards-Version: 3.8.4
diff --git a/debian/squeeze/applications/kpilot/debian/control b/debian/squeeze/applications/kpilot/debian/control
index 72b4e03aa..e6427f753 100644
--- a/debian/squeeze/applications/kpilot/debian/control
+++ b/debian/squeeze/applications/kpilot/debian/control
@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: Timothy Pearson <kb9vqf@pearsoncomputing.net> 
 Build-Depends: cdbs (>= 0.4.39-0.1), debhelper (>= 7.0.50~), tdelibs14-trinity-dev, tdepim-trinity-dev,
                libopensync0-dev, libpisock-dev,
-               bison, byacc, bzip2, flex, groff-base,
+               bison, byacc, bzip2, flex, libfl-dev | flex (<< 2.5.39), groff-base,
                libboost-dev (>= 1.33.1), libgpgme11-dev,
                automake, autoconf, libtool, libltdl-dev
 Standards-Version: 3.8.4
diff --git a/ubuntu/maverick/applications/kpilot/debian/control b/ubuntu/maverick/applications/kpilot/debian/control
index 314e315b6..621bffee9 100644
--- a/ubuntu/maverick/applications/kpilot/debian/control
+++ b/ubuntu/maverick/applications/kpilot/debian/control
@@ -4,7 +4,7 @@ Priority: optional
 Maintainer: Timothy Pearson <kb9vqf@pearsoncomputing.net> 
 Build-Depends: cdbs (>= 0.4.39-0.1), debhelper (>= 7.0.50~), tdelibs14-trinity-dev, tdepim-trinity-dev,
                libopensync0-dev, libpisock-dev,
-               bison, byacc, bzip2, flex, groff-base,
+               bison, byacc, bzip2, flex, libfl-dev | flex (<< 2.5.39), groff-base,
                libboost-dev (>= 1.33.1), libgpgme11-dev,
                automake, autoconf, libtool, libltdl-dev
 Standards-Version: 3.8.4