diff --git a/bpf/lib/process.h b/bpf/lib/process.h
index 91bade42e61..164262163df 100644
--- a/bpf/lib/process.h
+++ b/bpf/lib/process.h
@@ -104,6 +104,7 @@
 #define __ASM_ARGSBUFFER 976
 #define ARGSBUFFERMASK	 (ARGSBUFFER - 1)
 #define MAXARGMASK	 (MAXARG - 1)
+#define PATHNAME_SIZE	 256
 
 /* Task flags */
 #ifndef PF_KTHREAD
@@ -316,7 +317,7 @@ struct {
 
 struct execve_heap {
 	union {
-		char pathname[256];
+		char pathname[PATHNAME_SIZE];
 		char maxpath[4096];
 	};
 };
diff --git a/bpf/process/bpf_execve_event.c b/bpf/process/bpf_execve_event.c
index 3d279264abb..7d5f40f7778 100644
--- a/bpf/process/bpf_execve_event.c
+++ b/bpf/process/bpf_execve_event.c
@@ -138,7 +138,7 @@ event_filename_builder(void *ctx, struct msg_process *curr, __u32 curr_pid, __u3
 	if (!heap)
 		return 0;
 
-	memset(heap->pathname, 0, 256);
+	memset(heap->pathname, 0, PATHNAME_SIZE);
 	probe_read_str(heap->pathname, size, filename);
 	value = map_lookup_elem(&names_map, heap->pathname);
 	if (value)