diff --git a/Makefile b/Makefile
index 6fb4d1a..0191c43 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ LIBS_Lua = `./findlua.sh --libs`
 # Lua is not an acronym. Get used to typing it with lower case u/a.
 LIBS_zlib = -lz
 LIBS_sackit = xlibinc/libsackit.a
-LIBS = -Lxlibinc -lm $(LIBS_Lua) $(LIBS_SDL) $(LIBS_zlib) $(LIBS_sackit) -lGL -lGLEW $(LIBS_ENet)
+LIBS = -Lxlibinc -lm $(LIBS_Lua) $(LIBS_SDL) $(LIBS_zlib) $(LIBS_sackit) -lGL -lGLEW $(LIBS_ENet) -ldl
 
 BINNAME = iceball
 
diff --git a/main.make b/main.make
index 21bdc1d..2fa553a 100644
--- a/main.make
+++ b/main.make
@@ -14,10 +14,13 @@ OBJS = \
 	$(OBJDIR)/vecmath.o \
 	$(OBJDIR)/dsp.o \
 	$(OBJDIR)/map.o $(OBJDIR)/model.o \
-	$(OBJDIR)/img.o $(OBJDIR)/$(RENDERER)/render.o $(OBJDIR)/$(RENDERER)/render_img.o \
+	$(OBJDIR)/img.o \
+	$(OBJDIR)/$(RENDERER)/render.o $(OBJDIR)/$(RENDERER)/render_img.o \
+	$(OBJDIR)/$(RENDERER)/glad.o \
 	$(OBJDIR)/png.o \
 	$(OBJDIR)/lua.o $(OBJDIR)/network.o \
 	$(OBJDIR)/path.o $(OBJDIR)/json.o \
+	$(OBJDIR)/random.o \
 	$(OBJDIR)/wav.o
 
 # TODO: make the renderer part not depend on, say, render_img.o