diff --git a/options_linux.cmake b/options_linux.cmake
index 5a4c298..de6f7db 100644
--- a/options_linux.cmake
+++ b/options_linux.cmake
@@ -12,7 +12,7 @@ INTERFACE
     $<IF:$<CONFIG:Debug>,,-fno-strict-aliasing>
     -pipe
     -Wall
-    -W
+    -Wextra
     -Wno-unused-parameter
     -Wno-switch
     -Wno-missing-field-initializers
diff --git a/options_mac.cmake b/options_mac.cmake
index c7792c7..8da4ab4 100644
--- a/options_mac.cmake
+++ b/options_mac.cmake
@@ -22,7 +22,7 @@ target_compile_options(common_options
 INTERFACE
     -pipe
     -Wall
-    -W
+    -Wextra
     -fPIE
     $<$<COMPILE_LANGUAGE:OBJC,OBJCXX>:-fobjc-weak>
     -fvisibility-inlines-hidden