diff --git a/ci/zinc/linux_test.sh b/ci/zinc/linux_test.sh
index c41f2cd919..875ff762d5 100755
--- a/ci/zinc/linux_test.sh
+++ b/ci/zinc/linux_test.sh
@@ -5,6 +5,7 @@
 ZIG=$DEBUG_STAGING/bin/zig
 
 $ZIG test test/behavior.zig -fno-stage1 -fLLVM -I test
+$ZIG test test/behavior.zig -fno-stage1 -ofmt=c -I test
 
 $ZIG build test-behavior         -Denable-qemu -Denable-wasmtime
 $ZIG build test-compiler-rt      -Denable-qemu -Denable-wasmtime