diff --git a/test/cnn_matrix_multiplication.cu b/test/cnn_matrix_multiplication.cu
index 4f1961e..2b8825c 100644
--- a/test/cnn_matrix_multiplication.cu
+++ b/test/cnn_matrix_multiplication.cu
@@ -127,7 +127,7 @@ int main() {
     printf("Checking CUDA compatibility.\n");
     bool cuda_compatible = check_cuda_compatibility();
     if (!cuda_compatible) {
-        printf("CUDA not compatible, skipping tests.\n");
+        printf(RED "CUDA not compatible, skipping tests.\n" RESET);
         return 0;
     }
     printf(GREEN "OK\n" RESET);