2 files changed, 2 insertions, 2 deletions
diff --git a/tests/unit/testempty1.c b/tests/unit/testempty1.c
index f4140f64..a2ae2d2d 100644
--- a/tests/unit/testempty1.c
+++ b/tests/unit/testempty1.c
@@ -91,7 +91,7 @@ int main(int argc, char *argv[])
 
   for (i = 0; i < image_width * image_height; i++)
     {
-    int compno;
+    unsigned int compno;
     for(compno = 0; compno < numcomps; compno++)
       {
       image->comps[compno].data[i] = 0;
diff --git a/tests/unit/testempty2.c b/tests/unit/testempty2.c
index 764b14cc..abafa5b3 100644
--- a/tests/unit/testempty2.c
+++ b/tests/unit/testempty2.c
@@ -96,7 +96,7 @@ int main(int argc, char *argv[])
 
   for (i = 0; i < image_width * image_height; i++)
     {
-    int compno;
+    unsigned int compno;
     for(compno = 0; compno < numcomps; compno++)
       {
       image->comps[compno].data[i] = 0;