diff --git a/meson.build b/meson.build
index 505cc6c79bd..0dfe09858bf 100644
--- a/meson.build
+++ b/meson.build
@@ -788,7 +788,8 @@ endif
 # Check for generic C arguments
 c_args = []
 foreach a : ['-Wall', '-Werror=implicit-function-declaration',
-             '-Werror=missing-prototypes', '-fno-math-errno',
+             '-Werror=missing-prototypes', '-Werror=return-type',
+             '-fno-math-errno',
              '-fno-trapping-math', '-Qunused-arguments']
   if cc.has_argument(a)
     c_args += a
@@ -808,7 +809,8 @@ endif
 
 # Check for generic C++ arguments
 cpp_args = []
-foreach a : ['-Wall', '-fno-math-errno', '-fno-trapping-math',
+foreach a : ['-Wall', '-Werror=return-type',
+             '-fno-math-errno', '-fno-trapping-math',
              '-Qunused-arguments']
   if cpp.has_argument(a)
     cpp_args += a