diff --git a/cpp/ql/test/library-tests/ir/range-analysis/SimpleRangeAnalysis_tests.cpp b/cpp/ql/test/library-tests/ir/range-analysis/SimpleRangeAnalysis_tests.cpp
index d2806f995a2..38eaeab3b12 100644
--- a/cpp/ql/test/library-tests/ir/range-analysis/SimpleRangeAnalysis_tests.cpp
+++ b/cpp/ql/test/library-tests/ir/range-analysis/SimpleRangeAnalysis_tests.cpp
@@ -1,4 +1,4 @@
-template<typename T> void range(T);
+#include "test_util.h"
 
 struct List {
   struct List* next;
diff --git a/cpp/ql/test/library-tests/ir/range-analysis/test.cpp b/cpp/ql/test/library-tests/ir/range-analysis/test.cpp
index 2c819885b13..5290fffc8fd 100644
--- a/cpp/ql/test/library-tests/ir/range-analysis/test.cpp
+++ b/cpp/ql/test/library-tests/ir/range-analysis/test.cpp
@@ -1,4 +1,4 @@
-template<typename T> void range(T value);
+#include "test_util.h"
   int f1(int x, int y) {
     if (x < 500) {
       if (x > 400) {
diff --git a/cpp/ql/test/library-tests/ir/range-analysis/test_util.h b/cpp/ql/test/library-tests/ir/range-analysis/test_util.h
new file mode 100644
index 00000000000..3947dde3533
--- /dev/null
+++ b/cpp/ql/test/library-tests/ir/range-analysis/test_util.h
@@ -0,0 +1 @@
+template<typename T> void range(T value);
\ No newline at end of file