diff --git a/Makefile b/Makefile
index 198b3a8..4885988 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,13 @@
-CFLAGS = -std=c99 -O2 -DNDEBUG -fprofile-generate
+CFLAGS = -std=c99 -O2 -DNDEBUG
 
 all: gc
-
 .PHONY: all clean
 
-ifneq (,$(wildcard *.gcda *.gcno))
+ifneq ($(PROFILE),no)
+CFLAGS += -fprofile-generate
+endif
+
+ifneq (,$(wildcard *.gcda))
 CFLAGS += -fprofile-use
 dummy := $(shell rm -f gc)
 endif