diff --git a/src/bpf_helpers.h b/src/bpf_helpers.h
index cc2e51c..b904128 100644
--- a/src/bpf_helpers.h
+++ b/src/bpf_helpers.h
@@ -51,7 +51,7 @@
 #endif
 
 #ifndef KERNEL_VERSION
-#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c))
+#define KERNEL_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))
 #endif
 
 /*