diff --git a/tests/modeprint/modeprint.c b/tests/modeprint/modeprint.c
index ad727e12..f424f19d 100644
--- a/tests/modeprint/modeprint.c
+++ b/tests/modeprint/modeprint.c
@@ -113,7 +113,7 @@ static int printProperty(int fd, drmModeResPtr res, drmModePropertyPtr props, ui
 
 	} else {
 		for (j = 0; j < props->count_enums; j++) {
-			printf("\t\t%lld = %s\n", props->enums[j].value, props->enums[j].name);
+			printf("\t\t%" PRId64 " = %s\n", props->enums[j].value, props->enums[j].name);
 			if (props->enums[j].value == value)
 				name = props->enums[j].name;
 		}
diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
index eca08ef9..5746357f 100644
--- a/tests/modetest/modetest.c
+++ b/tests/modetest/modetest.c
@@ -381,7 +381,7 @@ static void dump_prop(struct device *dev, drmModePropertyPtr prop,
 	if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM)) {
 		printf("\t\tenums:");
 		for (i = 0; i < prop->count_enums; i++)
-			printf(" %s=%llu", prop->enums[i].name,
+			printf(" %s=%"PRIu64, prop->enums[i].name,
 			       prop->enums[i].value);
 		printf("\n");
 	} else if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK)) {
diff --git a/tests/proptest/proptest.c b/tests/proptest/proptest.c
index 5abbf029..0ab0907d 100644
--- a/tests/proptest/proptest.c
+++ b/tests/proptest/proptest.c
@@ -126,7 +126,7 @@ dump_prop(uint32_t prop_id, uint64_t value)
 	if (drm_property_type_is(prop, DRM_MODE_PROP_ENUM)) {
 		printf("\t\tenums:");
 		for (i = 0; i < prop->count_enums; i++)
-			printf(" %s=%llu", prop->enums[i].name,
+			printf(" %s=%"PRIu64, prop->enums[i].name,
 			       prop->enums[i].value);
 		printf("\n");
 	} else if (drm_property_type_is(prop, DRM_MODE_PROP_BITMASK)) {