diff --git a/make/debugger.mk b/make/debugger.mk
index 4233e2e2..0d9296f2 100644
--- a/make/debugger.mk
+++ b/make/debugger.mk
@@ -13,7 +13,7 @@ ifeq ($(CORE_DUMPER),)
 CORE_DUMPER        = $(EXE_PATH)
 endif
 
-PID = $(shell ps aux | $(SED) "/$(notdir $(EXE_PATH))\( \|$$\)/ !d; /sed/ d; /defunct/ d" | awk '{print $$2}')
+PID = $(shell pidof $(EXE_PATH))
 
 all:
 
@@ -74,4 +74,5 @@ coreclean: centralcore-clean
 
 centralcore-clean:
 	rm -f /var/cores/core* /var/cores/vgcore* || exit 0
-
+echo-pid:
+	@echo PID = $(PID)