diff --git a/src/glsl/glcpp/tests/100-macro-with-colon.c b/src/glsl/glcpp/tests/100-macro-with-colon.c
new file mode 100644
index 00000000000..31dbb9a9edc
--- /dev/null
+++ b/src/glsl/glcpp/tests/100-macro-with-colon.c
@@ -0,0 +1,7 @@
+#define one 1
+#define two 2
+
+switch (1) {
+   case one + two:
+      break;
+}
diff --git a/src/glsl/glcpp/tests/100-macro-with-colon.c.expected b/src/glsl/glcpp/tests/100-macro-with-colon.c.expected
new file mode 100644
index 00000000000..6cfac257b95
--- /dev/null
+++ b/src/glsl/glcpp/tests/100-macro-with-colon.c.expected
@@ -0,0 +1,8 @@
+
+
+
+switch (1) {
+ case 1 + 2:
+ break;
+}
+