diff --git a/contrib/src/fl/makedocs.vc b/contrib/src/fl/makedocs.vc
index 40d1733a01..544e3374a0 100644
--- a/contrib/src/fl/makedocs.vc
+++ b/contrib/src/fl/makedocs.vc
@@ -8,6 +8,7 @@ DOCDIR=$(WXDIR)\docs
 THISDIR = $(WXDIR)\contrib\src\$(NAME)
 DOCSOURCES=$(DOCSOURCEDIR)\$(NAME).tex \
  $(DOCSOURCEDIR)\classes.tex $(DOCSOURCEDIR)\topics.tex
+WAITFLAG=/WAIT
 
 alldocs: mkdirs html htmlhelp htb hlp pdfrtf
 html: touchmanual $(DOCDIR)\html\$(NAME)\$(NAME).htm
diff --git a/contrib/src/gizmos/makedocs.vc b/contrib/src/gizmos/makedocs.vc
index 94d50692a6..dcca78337e 100644
--- a/contrib/src/gizmos/makedocs.vc
+++ b/contrib/src/gizmos/makedocs.vc
@@ -9,6 +9,7 @@ DOCDIR=$(WXDIR)\docs
 THISDIR = $(WXDIR)\contrib\src\$(NAME)
 DOCSOURCES=$(DOCSOURCEDIR)\manual.tex \
  $(DOCSOURCEDIR)\classes.tex $(DOCSOURCEDIR)\topics.tex
+WAITFLAG=/WAIT
 
 alldocs: mkdirs html htmlhelp htb hlp pdfrtf
 html: touchmanual $(DOCDIR)\html\$(NAME)\$(NAME).htm
diff --git a/contrib/src/mmedia/makedocs.vc b/contrib/src/mmedia/makedocs.vc
index cc416a5f20..934769c7f7 100644
--- a/contrib/src/mmedia/makedocs.vc
+++ b/contrib/src/mmedia/makedocs.vc
@@ -8,6 +8,7 @@ DOCDIR=$(WXDIR)\docs
 THISDIR = $(WXDIR)\contrib\src\$(NAME)
 DOCSOURCES=$(DOCSOURCEDIR)\$(NAME).tex \
  $(DOCSOURCEDIR)\classes.tex $(DOCSOURCEDIR)\topics.tex
+WAITFLAG=/WAIT
 
 alldocs: mkdirs html htmlhelp htb hlp pdfrtf
 html: $(DOCDIR)\html\$(NAME)\$(NAME).htm
diff --git a/contrib/src/ogl/makedocs.vc b/contrib/src/ogl/makedocs.vc
index 6b971b3dbe..19d6e59641 100644
--- a/contrib/src/ogl/makedocs.vc
+++ b/contrib/src/ogl/makedocs.vc
@@ -8,6 +8,7 @@ DOCDIR=$(WXDIR)\docs
 THISDIR = $(WXDIR)\contrib\src\$(NAME)
 DOCSOURCES=$(DOCSOURCEDIR)\$(NAME).tex \
  $(DOCSOURCEDIR)\classes.tex $(DOCSOURCEDIR)\topics.tex
+WAITFLAG=/WAIT
 
 alldocs: mkdirs html htmlhelp htb hlp pdfrtf
 html: touchmanual $(DOCDIR)\html\$(NAME)\$(NAME).htm