diff --git a/lib/drmtest.c b/lib/drmtest.c
index 011d8c1a..76c84b1a 100644
--- a/lib/drmtest.c
+++ b/lib/drmtest.c
@@ -699,14 +699,14 @@ static bool env_set(const char *env_var)
 	return atoi(val) != 0;
 }
 
-bool drmtest_run_quick(void)
+bool drmtest_run_in_simulation(void)
 {
-	static int run_quick = -1;
+	static int simulation = -1;
 
-	if (run_quick == -1)
-		run_quick = env_set("IGT_QUICK");
+	if (simulation == -1)
+		simulation = env_set("INTEL_SIMULATION");
 
-	return run_quick;
+	return simulation;
 }
 
 /* other helpers */
diff --git a/lib/drmtest.h b/lib/drmtest.h
index e3a92751..5050a5df 100644
--- a/lib/drmtest.h
+++ b/lib/drmtest.h
@@ -93,8 +93,8 @@ void drmtest_subtest_init(int argc, char **argv);
 bool drmtest_run_subtest(const char *subtest_name);
 bool drmtest_only_list_subtests(void);
 
-bool drmtest_run_quick(void);
-#define SLOW_QUICK(slow,quick) (drmtest_run_quick() ? (quick) : (slow))
+bool drmtest_run_in_simulation(void);
+#define SLOW_QUICK(slow,quick) (drmtest_run_in_simulation() ? (quick) : (slow))
 
 /* helpers based upon the libdrm buffer manager */
 void drmtest_init_aperture_trashers(drm_intel_bufmgr *bufmgr);