diff --git a/src/core/NEON/kernels/arm_gemm/transform.cpp b/src/core/NEON/kernels/arm_gemm/transform.cpp
index 60376ab..c6a3bc0 100644
--- a/src/core/NEON/kernels/arm_gemm/transform.cpp
+++ b/src/core/NEON/kernels/arm_gemm/transform.cpp
@@ -25,7 +25,9 @@
 
 #include "bfloat.hpp"
 
+#if !defined(__OpenBSD__)
 #include <alloca.h>
+#endif /* !defined(__OpenBSD__) */
 
 namespace arm_gemm {