diff --git a/tests/array-pointer-duality-1.ispc b/tests/array-pointer-duality-1.ispc
index b8ac18b3..1550c294 100644
--- a/tests/array-pointer-duality-1.ispc
+++ b/tests/array-pointer-duality-1.ispc
@@ -11,5 +11,5 @@ export void f_f(uniform float RET[], uniform float aFOO[]) {
 }
 
 export void result(uniform float RET[]) {
-    RET[programIndex] = (programCount == 1) ? 1 : 3;
+    RET[programIndex] = (programCount == 1) ? 2 : 3;
 }
diff --git a/tests/atomics-3.ispc b/tests/atomics-3.ispc
index ef3085ae..97c8c622 100644
--- a/tests/atomics-3.ispc
+++ b/tests/atomics-3.ispc
@@ -5,11 +5,11 @@ uniform int32 s = 0xff;
 
 export void f_f(uniform float RET[], uniform float aFOO[]) {
     float a = aFOO[programIndex]; 
-    int32 bits = 0xfffffff0;
+    int32 bits = 0xfff0;
     float b = atomic_xor_global(&s, bits);
     RET[programIndex] = s;
 }
 
 export void result(uniform float RET[]) {
-    RET[programIndex] = 0xff;
+    RET[programIndex] = (programCount & 1) ? 0xff0f : 0xff;
 }