diff --git a/scripts/native_simulator/common/src/include/nsi_host_trampolines.h b/scripts/native_simulator/common/src/include/nsi_host_trampolines.h
index 5479c0f057c..31f954ee0cc 100644
--- a/scripts/native_simulator/common/src/include/nsi_host_trampolines.h
+++ b/scripts/native_simulator/common/src/include/nsi_host_trampolines.h
@@ -36,7 +36,7 @@ long nsi_host_read(int fd, void *buffer, unsigned long size);
 void *nsi_host_realloc(void *ptr, unsigned long size);
 void nsi_host_srandom(unsigned int seed);
 char *nsi_host_strdup(const char *s);
-long nsi_host_write(int fd, void *buffer, unsigned long size);
+long nsi_host_write(int fd, const void *buffer, unsigned long size);
 
 #ifdef __cplusplus
 }
diff --git a/scripts/native_simulator/common/src/nsi_host_trampolines.c b/scripts/native_simulator/common/src/nsi_host_trampolines.c
index 093a66d53ca..eb378b7533f 100644
--- a/scripts/native_simulator/common/src/nsi_host_trampolines.c
+++ b/scripts/native_simulator/common/src/nsi_host_trampolines.c
@@ -71,7 +71,7 @@ char *nsi_host_strdup(const char *s)
 	return strdup(s);
 }
 
-long nsi_host_write(int fd, void *buffer, unsigned long size)
+long nsi_host_write(int fd, const void *buffer, unsigned long size)
 {
 	return write(fd, buffer, size);
 }