diff --git a/src/gn/command_format.cc b/src/gn/command_format.cc
index 99e7a62..03d9311 100644
--- a/src/gn/command_format.cc
+++ b/src/gn/command_format.cc
@@ -349,9 +349,10 @@
        binop->op().value() == "-=") &&
       ident && list) {
     const std::string_view lhs = ident->value().value();
-    if (lhs == "public" || lhs == "sources")
+    if (base::EndsWith(lhs, "sources", base::CompareCase::SENSITIVE) ||
+        lhs == "public")
       const_cast<ListNode*>(list)->SortAsStringsList();
-    else if (lhs == "deps" || lhs == "public_deps")
+    else if (base::EndsWith(lhs, "deps", base::CompareCase::SENSITIVE))
       const_cast<ListNode*>(list)->SortAsDepsList();
   }
 }
diff --git a/src/gn/format_test_data/062.gn b/src/gn/format_test_data/062.gn
index 8c4cc7d..c400591 100644
--- a/src/gn/format_test_data/062.gn
+++ b/src/gn/format_test_data/062.gn
@@ -120,3 +120,9 @@
   "these", "two"
   # alone!
 ]
+
+# Lists with "sources" suffix should also be sorted.
+foo_sources = [
+  "z",
+  "a",
+]
diff --git a/src/gn/format_test_data/062.golden b/src/gn/format_test_data/062.golden
index b554510..dc32658 100644
--- a/src/gn/format_test_data/062.golden
+++ b/src/gn/format_test_data/062.golden
@@ -130,3 +130,9 @@
 
   # alone!
 ]
+
+# Lists with "sources" suffix should also be sorted.
+foo_sources = [
+  "a",
+  "z",
+]
diff --git a/src/gn/format_test_data/063.gn b/src/gn/format_test_data/063.gn
index 9fd8211..418d90f 100644
--- a/src/gn/format_test_data/063.gn
+++ b/src/gn/format_test_data/063.gn
@@ -33,4 +33,10 @@
       a,
     ]
   }
+
+  # Sort lists with "deps" suffix as "deps".
+  foo_deps = [
+    "//a",
+    ":z",
+  ]
 }
diff --git a/src/gn/format_test_data/063.golden b/src/gn/format_test_data/063.golden
index 3dc4bed..3ae77b2 100644
--- a/src/gn/format_test_data/063.golden
+++ b/src/gn/format_test_data/063.golden
@@ -33,4 +33,10 @@
       a,
     ]
   }
+
+  # Sort lists with "deps" suffix as "deps".
+  foo_deps = [
+    ":z",
+    "//a",
+  ]
 }