diff --git a/src/Compilation.zig b/src/Compilation.zig
index c779398b31387baeb746bee3921218908e770848..46fb5e575dbf9f82b8b66f8c31061399cdec0241 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -2608,6 +2608,10 @@ pub fn addCCArgs(
                 }
             }
 
+            if (target.cpu.arch.isThumb()) {
+                try argv.append("-mthumb");
+            }
+
             if (comp.haveFramePointer()) {
                 try argv.append("-fno-omit-frame-pointer");
             } else {