diff --git a/flags.cmake b/flags.cmake
index f260682fe..2ca71cacf 100644
--- a/flags.cmake
+++ b/flags.cmake
@@ -2,7 +2,7 @@ option(SPINE_SANITIZE "Build with sanitization" OFF)
 option(SPINE_SET_COMPILER_FLAGS "Set compiler flags" ON)
 
 if (NOT SPINE_SET_COMPILER_FLAGS)
-    return();
+    return()
 endif()
 
 if(MSVC)