diff --git a/tools/autobuild.cmd b/tools/autobuild.cmd
index bfb1cf4010e..aa9dde24d58 100644
--- a/tools/autobuild.cmd
+++ b/tools/autobuild.cmd
@@ -1,8 +1,8 @@
 @echo off
 
 type NUL && "%CODEQL_DIST%\codeql.exe" database index-files ^
-    --include-extension=.rb ^
-    --include-extension=.erb ^
+    --include-extension=.ql ^
+    --include-extension=.qll ^
     --size-limit=5m ^
     --language=ql ^
     "%CODEQL_EXTRACTOR_QL_WIP_DATABASE%"
diff --git a/tools/qltest.cmd b/tools/qltest.cmd
index b59c783d6d0..374810e3804 100644
--- a/tools/qltest.cmd
+++ b/tools/qltest.cmd
@@ -2,8 +2,8 @@
 
 type NUL && "%CODEQL_DIST%\codeql.exe" database index-files ^
     --prune=**/*.testproj ^
-    --include-extension=.rb ^
-    --include-extension=.erb ^
+    --include-extension=.ql ^
+    --include-extension=.qll ^
     --size-limit=5m ^
     --language=ql ^
     "%CODEQL_EXTRACTOR_QL_WIP_DATABASE%"
diff --git a/tools/qltest.sh b/tools/qltest.sh
index 8c13850176d..19547bfa5df 100755
--- a/tools/qltest.sh
+++ b/tools/qltest.sh
@@ -4,9 +4,9 @@ set -eu
 
 exec "${CODEQL_DIST}/codeql" database index-files \
     --prune="**/*.testproj" \
-    --include-extension=.rb \
-    --include-extension=.erb \
+    --include-extension=.ql \
+    --include-extension=.qll \
     --size-limit=5m \
-    --language=ruby \
+    --language=ql \
     --working-dir=.\
     "$CODEQL_EXTRACTOR_QL_WIP_DATABASE"