diff --git a/src/detection/cpu/cpu_sunos.c b/src/detection/cpu/cpu_sunos.c
index 4d0a887cc..1ae1f77c6 100644
--- a/src/detection/cpu/cpu_sunos.c
+++ b/src/detection/cpu/cpu_sunos.c
@@ -3,7 +3,7 @@
 #include "util/stringUtils.h"
 #include <kstat.h>
 
-static const char* detectCPUTempByKstat(FFCPUOptions* options, kstat_ctl_t* kc, FFCPUResult* cpu)
+static const char* detectCPUTempByKstat(const FFCPUOptions* options, kstat_ctl_t* kc, FFCPUResult* cpu)
 {
     const char* possibleModules[] = {"temperature", "cpu_temp", "acpi_thermal", NULL};