diff --git a/headers/os/support/Debug.h b/headers/os/support/Debug.h
index 5a010769de..78aefdc678 100644
--- a/headers/os/support/Debug.h
+++ b/headers/os/support/Debug.h
@@ -31,7 +31,7 @@ extern "C" {
 	int _sPrintf(const char *, ...);
 #endif
 	int _xdebugPrintf(const char *, ...);
-	int _debuggerAssert(const char *, int, char *);
+	int _debuggerAssert(const char *, int, const char *);
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/system/libroot/os/debug.c b/src/system/libroot/os/debug.c
index d689552d34..7ef95aa28a 100644
--- a/src/system/libroot/os/debug.c
+++ b/src/system/libroot/os/debug.c
@@ -254,7 +254,7 @@ _xdebugPrintf(const char *fmt, ...)
 
 
 int
-_debuggerAssert(const char *file, int line, char *message)
+_debuggerAssert(const char *file, int line, const char *message)
 {
 	char buffer[1024];
 	snprintf(buffer, sizeof(buffer),