diff --git a/Makefile b/Makefile
index 8d74865..4b578fb 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ SRCDIR = src
 OBJDIR = obj
 BUILDDIR = build
 
-SRC := $(wildcard $(SRCDIR)/**/*.c)
+SRC := $(shell find $(SRCDIR) -name '*.c')
 OBJ := $(patsubst $(SRCDIR)/%.c,$(OBJDIR)/%.o,$(SRC))
 
 CC = i386-elf-gcc