diff --git a/debian/lenny/tdelibs/debian/rules b/debian/lenny/tdelibs/debian/rules
index 9fba1d00e..071e7c0c6 100755
--- a/debian/lenny/tdelibs/debian/rules
+++ b/debian/lenny/tdelibs/debian/rules
@@ -50,6 +50,7 @@ DEB_CMAKE_EXTRA_FLAGS := \
  -DWITH_LZMA="ON" \
  -DWITH_XRANDR="ON" \
  -DWITH_XCOMPOSITE="ON" \
+ -DWITH_MITSHM="ON" \
  -DCMAKE_BUILD_TYPE=RelWithDebInfo
 
 # Honour "parallel=N" option of DEB_BUILD_OPTIONS.  Comment out to
diff --git a/debian/squeeze/tdelibs/debian/rules b/debian/squeeze/tdelibs/debian/rules
index a2839571e..497a5bd2a 100755
--- a/debian/squeeze/tdelibs/debian/rules
+++ b/debian/squeeze/tdelibs/debian/rules
@@ -50,6 +50,7 @@ DEB_CMAKE_EXTRA_FLAGS := \
  -DWITH_LZMA="ON" \
  -DWITH_XRANDR="ON" \
  -DWITH_XCOMPOSITE="ON" \
+ -DWITH_MITSHM="ON" \
  -DCMAKE_BUILD_TYPE=RelWithDebInfo
 
 # Honour "parallel=N" option of DEB_BUILD_OPTIONS.  Comment out to
diff --git a/ubuntu/maverick/tdelibs/debian/rules b/ubuntu/maverick/tdelibs/debian/rules
index fcd18aba3..9c3973007 100755
--- a/ubuntu/maverick/tdelibs/debian/rules
+++ b/ubuntu/maverick/tdelibs/debian/rules
@@ -50,6 +50,7 @@ DEB_CMAKE_EXTRA_FLAGS := \
  -DWITH_LZMA="ON" \
  -DWITH_XRANDR="ON" \
  -DWITH_XCOMPOSITE="ON" \
+ -DWITH_MITSHM="ON" \
  -DCMAKE_BUILD_TYPE=RelWithDebInfo
 
 # Honour "parallel=N" option of DEB_BUILD_OPTIONS.  Comment out to