diff --git a/jenkins/docs/cpp.doxy b/jenkins/docs/cpp.doxy
index 2fbfb4902a..604e293342 100644
--- a/jenkins/docs/cpp.doxy
+++ b/jenkins/docs/cpp.doxy
@@ -234,7 +234,7 @@ TCL_SUBST              =
 # members will be omitted, etc.
 # The default value is: NO.
 
-OPTIMIZE_OUTPUT_FOR_C  = YES
+OPTIMIZE_OUTPUT_FOR_C  = NO
 
 # Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
 # Python sources only. Doxygen will then generate output that is more tailored