diff --git a/scripts/build.c.tests/build.tests b/scripts/build.c.tests/build.tests
index b810139..89c80ea 100644
--- a/scripts/build.c.tests/build.tests
+++ b/scripts/build.c.tests/build.tests
@@ -12,7 +12,7 @@ then
     echo "Building test programs..."
     do_cmd mkdir -p obj/tests || return 1
 
-    for SRC in src/@NAME@/*.cpp
+    for SRC in src/@NAME@/*.c
     do
         TEST="obj/tests/$(basename ${SRC} | sed -e 's,.c$,,')"
         MODIFIED=0
diff --git a/scripts/build.c.tests/template b/scripts/build.c.tests/template
index cde078e..f304a54 100644
--- a/scripts/build.c.tests/template
+++ b/scripts/build.c.tests/template
@@ -6,7 +6,7 @@
 */
 
 @TEST_HEADERS@
-#include <iostream>
+#include <stdio.h>