diff --git a/src/api/Makefile.in b/src/api/Makefile.in
index 2d7f794718686680258886527ed3672931b2ea39..90d2203b1dd37c272357974298203d8073821479 100644
--- a/src/api/Makefile.in
+++ b/src/api/Makefile.in
@@ -350,7 +350,7 @@ slurmapi_src = \
 	spawn.c          \
 	step_ctx.c step_ctx.h \
 	step_io.c step_io.h \
-	step_launch.c    \
+	step_launch.c step_launch.h \
 	pmi_server.c pmi_server.h \
 	submit.c         \
 	suspend.c        \