diff --git a/lib/gpu/lal_pppm.cu b/lib/gpu/lal_pppm.cu
index 6cf8aafbd0..ee9f1b61d6 100644
--- a/lib/gpu/lal_pppm.cu
+++ b/lib/gpu/lal_pppm.cu
@@ -26,7 +26,7 @@ _texture( q_tex,int2);
 
 // Allow PPPM to compile without atomics for NVIDIA 1.0 cards, error
 // generated at runtime with use of pppm/gpu
-#if (__CUDA_ARCH__ < 110)
+#if defined(NV_KERNEL) && (__CUDA_ARCH__ < 110)
 #define atomicAdd(x,y) *(x)+=0
 #endif