diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 228fa8b..c12d643 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -48,8 +48,12 @@ target_link_libraries(dump_data lpcnetfreedv m codec2)
 add_executable(test_lpcnet test_lpcnet.c)
 target_link_libraries(test_lpcnet lpcnetfreedv m codec2)
 
-add_executable(test_vec test_vec.c)
-target_link_libraries(test_vec m)
+if(AVX OR AVX2)
+    add_executable(test_vec test_vec.c)
+    target_link_libraries(test_vec m)
+else()
+    message(WARNING "No AVX/AVX2 CPU flags identified, not building test_vec.")
+endif()
 
 add_executable(quant_feat quant_feat.c)
 target_link_libraries(quant_feat lpcnetfreedv m codec2)
diff --git a/src/idct.c b/src/idct.c
index 08aa41c..b467b65 100644
--- a/src/idct.c
+++ b/src/idct.c
@@ -28,8 +28,8 @@ float std[] = {
 int main(int argc, char *argv[]) {
     FILE *fin, *fout;
     fin = stdin; fout = stdout;
-    uint ret;
-    uint stride = NB_BANDS;
+    unsigned int ret;
+    unsigned int stride = NB_BANDS;
     int measure = 0;
     int scaling = 0;
     
@@ -63,7 +63,7 @@ int main(int argc, char *argv[]) {
     float sum[NB_BANDS] = {0.0};
     float sumsq[NB_BANDS] = {0.0};
     float dctLy[stride], Ly[stride];
-    uint i; for(i=0; i<stride; i++) Ly[stride] = 0.0;
+    unsigned int i; for(i=0; i<stride; i++) Ly[stride] = 0.0;
     long n = 0;
     while(fread(dctLy, sizeof(float), stride, fin) == stride) {
         idct(Ly, dctLy);