diff --git a/cde/programs/dtdocbook/instant/Imakefile b/cde/programs/dtdocbook/instant/Imakefile
index 75669164a..09f8ccaf3 100644
--- a/cde/programs/dtdocbook/instant/Imakefile
+++ b/cde/programs/dtdocbook/instant/Imakefile
@@ -10,6 +10,9 @@ TCLINC = -I/usr/include/tcl
 #elif defined(FreeBSDArchitecture) || defined(OpenBSDArchitecture)
 TCLINC = -I/usr/local/include/tcl8.6
 TCLLIB = -ltcl86
+#elif defined(NetBSDArchitecture)
+TCLINC = -I/usr/pkg/include/tcl
+TCLLIB = -ltcl86
 #endif
 
 #if defined(TCLInc)