diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c
index 38a07cc4fbacc0d0a39171395c3e72105fa3720c..84be1752dcd882e5456daf6ba34f6c5006197bf4 100644
--- a/arch/x86/boot/compressed/aslr.c
+++ b/arch/x86/boot/compressed/aslr.c
@@ -13,7 +13,7 @@
 #include <linux/version.h>
 
 /* Simplified build-specific string for starting entropy. */
-static const char *build_str = UTS_RELEASE " (" LINUX_COMPILE_BY "@"
+static const char build_str[] = UTS_RELEASE " (" LINUX_COMPILE_BY "@"
 		LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION;
 
 #define I8254_PORT_CONTROL	0x43