diff --git a/backend_tcl/Makefile.in b/backend_tcl/Makefile.in
index 90a4d0d1..e1c45928 100644
--- a/backend_tcl/Makefile.in
+++ b/backend_tcl/Makefile.in
@@ -146,8 +146,8 @@ TCLSH		= $(TCLSH_ENV) $(PKG_ENV) $(TCLSH_PROG)
 
 SHARED_BUILD	= @SHARED_BUILD@
 
-INCLUDES	= @PKG_INCLUDES@ @TCL_INCLUDES@ -I.
-#INCLUDES	= @PKG_INCLUDES@ @TCL_INCLUDES@ @TK_INCLUDES@ @TK_XINCLUDES@
+#INCLUDES	= @PKG_INCLUDES@ @TCL_INCLUDES@ -I.
+INCLUDES	= @PKG_INCLUDES@ @TCL_INCLUDES@ @TK_INCLUDES@ @TK_XINCLUDES@ -I.
 
 PKG_CFLAGS	= @PKG_CFLAGS@
 
diff --git a/backend_tcl/configure.ac b/backend_tcl/configure.ac
index a46de1e5..0f4327bc 100644
--- a/backend_tcl/configure.ac
+++ b/backend_tcl/configure.ac
@@ -42,8 +42,8 @@ TEA_LOAD_TCLCONFIG
 # Load the tkConfig.sh file if necessary (Tk extension)
 #--------------------------------------------------------------------
 
-#TEA_PATH_TKCONFIG
-#TEA_LOAD_TKCONFIG
+TEA_PATH_TKCONFIG
+TEA_LOAD_TKCONFIG
 
 #-----------------------------------------------------------------------
 # Handle the --prefix=... option by defaulting to what Tcl gave.
@@ -172,7 +172,7 @@ fi
 TEA_PUBLIC_TCL_HEADERS
 #TEA_PRIVATE_TCL_HEADERS
 
-#TEA_PUBLIC_TK_HEADERS
+TEA_PUBLIC_TK_HEADERS
 #TEA_PRIVATE_TK_HEADERS
 #TEA_PATH_X