diff --git a/build/org.eclipse.cdt.autotools.core/build.properties b/build/org.eclipse.cdt.autotools.core/build.properties
index 70e82cc3ce5..afa7cc412cd 100644
--- a/build/org.eclipse.cdt.autotools.core/build.properties
+++ b/build/org.eclipse.cdt.autotools.core/build.properties
@@ -4,6 +4,7 @@ bin.includes = plugin.xml,\
                META-INF/,\
                .,\
                html/,\
-	       about.html,\
-               plugin.properties
+               about.html,\
+               plugin.properties,\
+               css/
 src.includes = about.html
diff --git a/build/org.eclipse.cdt.make.ui/build.properties b/build/org.eclipse.cdt.make.ui/build.properties
index d5f2c629194..8c88fa276b3 100644
--- a/build/org.eclipse.cdt.make.ui/build.properties
+++ b/build/org.eclipse.cdt.make.ui/build.properties
@@ -16,7 +16,8 @@ bin.includes = plugin.xml,\
                about.html,\
                plugin.properties,\
                .,\
-               META-INF/
+               META-INF/,\
+               css/
 source.. = src/
 src.includes = schema/,\
                about.html