diff --git a/src/Makefile b/src/Makefile
index aef349d84..4bbc5146b 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -30,7 +30,7 @@
 #  	...
 #
 
-all: bld_errSym dlsource eddsource seqsource
+all: bld_errSym dlsource eddsource seqsource devtestsource
 
 bld_errSym:
 	cd libUnix; 	sh blderrSymTbl
@@ -44,3 +44,7 @@ eddsource:
 
 seqsource:
 	cd sequencer ; /bin/sh build.it
+
+devtestsource:
+	cd devtest ; /bin/sh build.it
+