src/libopensc/ctx.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/libopensc/ctx.c b/src/libopensc/ctx.c
index db9953b..f992ecc 100644
--- a/src/libopensc/ctx.c
+++ b/src/libopensc/ctx.c
@@ -650,12 +650,14 @@ int sc_ctx_detect_readers(sc_context_t *ctx)
 
 	sc_mutex_lock(ctx, ctx->mutex);
 
+	sc_ctx_suppress_errors_on(ctx);
 	for (i = 0; ctx->reader_drivers[i] != NULL; i++) {
 		const struct sc_reader_driver *drv = ctx->reader_drivers[i];
 
 		if (drv->ops->detect_readers != NULL)
 			drv->ops->detect_readers(ctx, ctx->reader_drv_data[i]);
 	}
+	sc_ctx_suppress_errors_off(ctx);
 
 	sc_mutex_unlock(ctx, ctx->mutex);