diff --git a/linux/Makefile b/linux/Makefile
index 5c1dd4e..16c706c 100644
--- a/linux/Makefile
+++ b/linux/Makefile
@@ -300,7 +300,7 @@ $(DOWNLOADS)/ruby/Makefile: $(DOWNLOADS)/ruby/configure
 	$(CONFIGURE) $(RUBY_CONFIGURE_ARGS) $(RUBY_FLAGS)
 
 $(DOWNLOADS)/ruby/configure: $(DOWNLOADS)/ruby/*.c
-	cd $(DOWNLOADS)/ruby; autoconf
+	cd $(DOWNLOADS)/ruby; autoreconf -i
 
 $(DOWNLOADS)/ruby/*.c:
 	$(CLONE) $(GITLAB)/mkxp-z/ruby $(DOWNLOADS)/ruby -b mkxp-z;
diff --git a/macos/Dependencies/dependencies.make b/macos/Dependencies/dependencies.make
index 3d26d30..45c2a80 100644
--- a/macos/Dependencies/dependencies.make
+++ b/macos/Dependencies/dependencies.make
@@ -289,7 +289,7 @@ $(DOWNLOADS)/ruby/Makefile: $(DOWNLOADS)/ruby/configure
 	$(CONFIGURE) $(RUBY_CONFIGURE_ARGS) $(RUBY_FLAGS)
 
 $(DOWNLOADS)/ruby/configure: $(DOWNLOADS)/ruby/*.c
-	cd $(DOWNLOADS)/ruby; autoconf
+	cd $(DOWNLOADS)/ruby; autoreconf -i
 
 $(DOWNLOADS)/ruby/*.c:
 	$(CLONE) $(GITLAB)/mkxp-z/ruby $(DOWNLOADS)/ruby --single-branch -b mkxp-z;
diff --git a/windows/Makefile b/windows/Makefile
index 0d5e0ed..1faec95 100755
--- a/windows/Makefile
+++ b/windows/Makefile
@@ -288,7 +288,7 @@ $(DOWNLOADS)/ruby/Makefile: $(DOWNLOADS)/ruby/configure
 	$(CONFIGURE) $(RUBY_CONFIGURE_ARGS) $(RUBY_FLAGS)
 
 $(DOWNLOADS)/ruby/configure: $(DOWNLOADS)/ruby/*.c
-	cd $(DOWNLOADS)/ruby; autoconf
+	cd $(DOWNLOADS)/ruby; autoreconf -i
 
 $(DOWNLOADS)/ruby/*.c:
 	$(CLONE) $(GITLAB)/mkxp-z/ruby $(DOWNLOADS)/ruby -b mkxp-z;