diff --git a/ultragrid/Makefile.in b/ultragrid/Makefile.in
index dfeece720..fa0d6421b 100644
--- a/ultragrid/Makefile.in
+++ b/ultragrid/Makefile.in
@@ -137,6 +137,7 @@ TESTCARD2_LIB_OBJ  = \
 		@TESTCARD2_OBJ@
 
 DECKLINK_CAP_LIB_OBJ  = \
+		src/audio/utils.o \
 		src/debug.o \
 		src/tv.o \
 		src/crypto/random.o \
@@ -146,6 +147,7 @@ DECKLINK_CAP_LIB_OBJ  = \
 		@DECKLINK_CAP_OBJ@
 		
 DECKLINK_DISP_LIB_OBJ  = \
+		src/audio/utils.o \
 		src/debug.o \
 		src/tv.o \
 		src/crypto/random.o \