diff --git a/libyara/proc/linux.c b/libyara/proc/linux.c
index 37f18ddd5e..7e13644674 100644
--- a/libyara/proc/linux.c
+++ b/libyara/proc/linux.c
@@ -412,7 +412,7 @@ YR_API YR_MEMORY_BLOCK* yr_process_get_next_memory_block(
     }
     else
     {
-      YR_DEBUG_FPRINTF(2, stderr, "+ %s() = NULL\n", __FUNCTION__);
+      YR_DEBUG_FPRINTF(2, stderr, "- %s() = NULL\n", __FUNCTION__);
       return NULL;
     }
   }
diff --git a/tests/test-rules.c b/tests/test-rules.c
index decddedb79..0ed891beb0 100644
--- a/tests/test-rules.c
+++ b/tests/test-rules.c
@@ -3921,6 +3921,8 @@ void test_defined()
 
 static void test_pass(int pass)
 {
+  YR_DEBUG_FPRINTF(1, stderr, "+ %s() { \n", __FUNCTION__);
+
   switch (pass)
   {
   case 1: