diff --git a/pci_BaS_gcc/pci/pci.c b/pci_BaS_gcc/pci/pci.c
index 5a4d10c..c3c318b 100644
--- a/pci_BaS_gcc/pci/pci.c
+++ b/pci_BaS_gcc/pci/pci.c
@@ -33,9 +33,9 @@
 #include "interrupts.h"
 #include "wait.h"
 
-//#define DEBUG_PCI
+#define DEBUG_PCI
 #ifdef DEBUG_PCI
-#define dbg(format, arg...) do { xprintf("DEBUG: " format, __FUNCTION__, ##arg); } while (0)
+#define dbg(format, arg...) do { xprintf("DEBUG: %s(): " format, __FUNCTION__, ##arg); } while (0)
 #else
 #define dbg(format, arg...) do { ; } while (0)
 #endif /* DEBUG_PCI */