diff --git a/kernel/src/scheduling/PIT.cpp b/kernel/src/scheduling/PIT.cpp
index 540e75d5..2fcb18f1 100644
--- a/kernel/src/scheduling/PIT.cpp
+++ b/kernel/src/scheduling/PIT.cpp
@@ -7,7 +7,7 @@
 #define PIT_CHANNEL_0_PORT 0x40
 
 volatile uint64_t PIT::ms_since_boot = 0;
-uint16_t divisor = 65535;
+static uint16_t divisor = 65535;
 
 void PIT::initialize(uint64_t frequency)
 {