diff --git a/.github/workflows/qltest.yml b/.github/workflows/qltest.yml
index 8305af33033..3b8d870a61b 100644
--- a/.github/workflows/qltest.yml
+++ b/.github/workflows/qltest.yml
@@ -31,4 +31,7 @@ jobs:
         run: env "PATH=$PATH:${{ github.workspace }}/codeql" ./create-extractor-pack.sh
       - name: Run QL tests
         run: codeql/codeql test run --check-databases --check-unused-labels --search-path "${{ github.workspace }}" --consistency-queries ql/consistency-queries ql/test
-
+      - name: Check QL formatting
+        run: find ql "(" -name "*.ql" -or -name "*.qll" ")" -print0 | xargs -0 codeql/codeql query format --check-only
+      - name: Check QL compilation
+        run: codeql/codeql query compile --check-only --threads=4 --warnings=error --search-path "${{ github.workspace }}" "ql/src" "ql/examples"
diff --git a/ql/src/codeql_ruby/Variables.qll b/ql/src/codeql_ruby/Variables.qll
index dbd33af1132..0cb83aaee41 100644
--- a/ql/src/codeql_ruby/Variables.qll
+++ b/ql/src/codeql_ruby/Variables.qll
@@ -18,20 +18,18 @@ private predicate scopeDefinesParameter(VariableScope scope, string name, Locati
   exists(Identifier var |
     name = var.getValue() and
     location = var.getLocation() and
-    var in [
-        scope
-            .(BlockScope)
-            .getScopeElement()
-            .getAFieldOrChild()
-            .(BlockParameters)
-            .getAFieldOrChild+(),
-        scope
-            .(MethodScope)
-            .getScopeElement()
-            .getAFieldOrChild()
-            .(MethodParameters)
-            .getAFieldOrChild+()
-      ]
+    var in [scope
+              .(BlockScope)
+              .getScopeElement()
+              .getAFieldOrChild()
+              .(BlockParameters)
+              .getAFieldOrChild+(),
+          scope
+              .(MethodScope)
+              .getScopeElement()
+              .getAFieldOrChild()
+              .(MethodParameters)
+              .getAFieldOrChild+()]
   )
 }