diff --git a/Makefile b/Makefile
index 8473dad..87bd24d 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ EXEC = sumatra
 
 SUMATRA_SRC = sumatra.c \
 			  mtcompare_sumatra.c
-			              
+
 SUMATRA_OBJ = $(patsubst %.c,%.o,$(SUMATRA_SRC))
 
 SRCS = $(SUMATRA_SRC)
@@ -26,9 +26,9 @@ all: $(EXEC)
 
 # executable compilation and link
 
-sumatra: $(SUMATRA_OBJ)
+sumatra: $(SUMATRA_OBJ) ./sumalibs/libsuma.a
 	$(CC) $(LDFLAGS) -o $@ -pthread $(SUMATRA_OBJ) $(LIBSUMAPATH) $(LIB)
-	
+
 ########
 #
 # project management
@@ -36,10 +36,10 @@ sumatra: $(SUMATRA_OBJ)
 ########
 
 clean:
-	rm -f $(SUMATRA_OBJ)	
+	rm -f $(SUMATRA_OBJ)
 	rm -f $(EXEC)
 	$(MAKE) -C ./sumalibs clean
 
 install: all
 	install -d $(DESTDIR)$(PREFIX)/bin/
-	install -m 755 $(EXEC) $(DESTDIR)$(PREFIX)/bin/
+	install -m 755 $(EXEC) $(DESTDIR)$(PREFIX)/bin/
\ No newline at end of file