diff --git a/include/source_revision.h.in b/include/source_revision.h.in
index 5b657d0940e..991df992e2f 100644
--- a/include/source_revision.h.in
+++ b/include/source_revision.h.in
@@ -1 +1 @@
-#cmakedefine SOURCE_REVISION "@SOURCE_REVISION@"
+#define SOURCE_REVISION "@SOURCE_REVISION@"