diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index d270e636af..c881964254 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -241,7 +241,7 @@ PREDEFINED             = __cplusplus=1 \
                          CV_WRAP= \
                          CV_WRAP_AS(x)= \
                          CV_CDECL= \
-                         CV_Func = \
+                         CV_Func= \
                          CV_DO_PRAGMA(x)= \
                          CV_SUPPRESS_DEPRECATED_START= \
                          CV_SUPPRESS_DEPRECATED_END= \