diff --git a/libmariadb/mariadb_config/mariadb_config.c.in b/libmariadb/mariadb_config/mariadb_config.c.in
index 45d2f4e..e5666db 100644
--- a/libmariadb/mariadb_config/mariadb_config.c.in
+++ b/libmariadb/mariadb_config/mariadb_config.c.in
@@ -5,7 +5,7 @@
 
 static char *mariadb_progname;
 
-#define INCLUDE "-I@CMAKE_INSTALL_PREFIX@/@INSTALL_INCLUDEDIR@ -I@CMAKE_INSTALL_PREFIX@/@INSTALL_INCLUDEDIR@/mysql"
+#define INCLUDE "-I@INSTALL_INCLUDEDIR@ -I@INSTALL_INCLUDEDIR@/mysql"
 #define LIBS    "-L@CMAKE_INSTALL_PREFIX@/@INSTALL_LIBDIR@/ -lmariadb @extra_dynamic_LDFLAGS@"
 #define LIBS_SYS "@extra_dynamic_LDFLAGS@"
 #define CFLAGS  INCLUDE