diff --git a/cmake/SfizzConfig.cmake b/cmake/SfizzConfig.cmake
index 95b0adaa..2b2cdd4a 100644
--- a/cmake/SfizzConfig.cmake
+++ b/cmake/SfizzConfig.cmake
@@ -57,6 +57,7 @@ endif()
 if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
     add_compile_options(-Wall)
     add_compile_options(-Wextra)
+    add_compile_options(-Wno-multichar)
     add_compile_options(-Werror=return-type)
     if (SFIZZ_SYSTEM_PROCESSOR MATCHES "^(i.86|x86_64)$")
         add_compile_options(-msse2)