diff --git a/src/bench_ecdh.c b/src/bench_ecdh.c
index 2de5126d63424..5837f4e7d3637 100644
--- a/src/bench_ecdh.c
+++ b/src/bench_ecdh.c
@@ -15,11 +15,11 @@ typedef struct {
     secp256k1_context *ctx;
     secp256k1_pubkey point;
     unsigned char scalar[32];
-} bench_ecdh;
+} bench_ecdh_data;
 
 static void bench_ecdh_setup(void* arg) {
     int i;
-    bench_ecdh *data = (bench_ecdh*)arg;
+    bench_ecdh_data *data = (bench_ecdh_data*)arg;
     const unsigned char point[] = {
         0x03,
         0x54, 0x94, 0xc1, 0x5d, 0x32, 0x09, 0x97, 0x06,
@@ -39,7 +39,7 @@ static void bench_ecdh_setup(void* arg) {
 static void bench_ecdh(void* arg) {
     int i;
     unsigned char res[32];
-    bench_ecdh *data = (bench_ecdh*)arg;
+    bench_ecdh_data *data = (bench_ecdh_data*)arg;
 
     for (i = 0; i < 20000; i++) {
         CHECK(secp256k1_ecdh(data->ctx, res, &data->point, data->scalar) == 1);
@@ -47,7 +47,7 @@ static void bench_ecdh(void* arg) {
 }
 
 int main(void) {
-    bench_ecdh data;
+    bench_ecdh_data data;
 
     run_benchmark("ecdh", bench_ecdh, bench_ecdh_setup, NULL, &data, 10, 20000);
     return 0;
diff --git a/src/bench_recover.c b/src/bench_recover.c
index 506fc1880e613..b806eed94e150 100644
--- a/src/bench_recover.c
+++ b/src/bench_recover.c
@@ -13,11 +13,11 @@ typedef struct {
     secp256k1_context *ctx;
     unsigned char msg[32];
     unsigned char sig[64];
-} bench_recover;
+} bench_recover_data;
 
 void bench_recover(void* arg) {
     int i;
-    bench_recover *data = (bench_recover*)arg;
+    bench_recover_data *data = (bench_recover_data*)arg;
     secp256k1_pubkey pubkey;
     unsigned char pubkeyc[33];
 
@@ -38,7 +38,7 @@ void bench_recover(void* arg) {
 
 void bench_recover_setup(void* arg) {
     int i;
-    bench_recover *data = (bench_recover*)arg;
+    bench_recover_data *data = (bench_recover_data*)arg;
 
     for (i = 0; i < 32; i++) {
         data->msg[i] = 1 + i;
@@ -49,7 +49,7 @@ void bench_recover_setup(void* arg) {
 }
 
 int main(void) {
-    bench_recover data;
+    bench_recover_data data;
 
     data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY);