1 files changed, 1 insertions, 0 deletions

diff --git a/stm/adc.c b/stm/adc.c
index ecbcd6bc0c..e54a464a84 100644
--- a/stm/adc.c
+++ b/stm/adc.c
@@ -3,6 +3,7 @@
 
 #include "misc.h"
 #include "mpconfig.h"
+#include "qstr.h"
 #include "obj.h"
 #include "adc.h"