diff --git a/cinelerra-5.1/cinelerra/Makefile b/cinelerra-5.1/cinelerra/Makefile
index a22a21a..373251a 100644
--- a/cinelerra-5.1/cinelerra/Makefile
+++ b/cinelerra-5.1/cinelerra/Makefile
@@ -423,7 +423,7 @@ LIBRARIES += \
 
 endif
 
-LIBS := $(LIBRARIES)
+LIBS := $(LIBRARIES) -L/usr/X11R7/lib
 
 ifeq ($(WANT_CIN_3RDPARTY),no)
 LIBS += -lavcodec -lavdevice -lavfilter -lavformat -lavutil
@@ -444,7 +444,7 @@ CUTOBJS = $(CUTOBJ) \
 	$(OBJDIR)/mediadb.o \
 	$(OBJDIR)/filexml.o
 CUTLIBS = \
-	$(LIBZMPEG3)/$(OBJDIR)/libzmpeg3.a -lX11 \
+	$(LIBZMPEG3)/$(OBJDIR)/libzmpeg3.a \
 	$(TDB)/$(OBJDIR)/db.a
 endif