diff --git a/src/libsysprof-ui/meson.build b/src/libsysprof-ui/meson.build
index 15efb12a..3789dcc4 100644
--- a/src/libsysprof-ui/meson.build
+++ b/src/libsysprof-ui/meson.build
@@ -63,6 +63,7 @@ libsysprof_ui = shared_library('sysprof-ui-@0@'.format(libsysprof_api_version),
          dependencies: libsysprof_ui_deps,
           install_dir: get_option('libdir'),
               install: true,
+               c_args: [ '-DSYSPROF_UI_COMPILATION' ],
 )
 
 libsysprof_ui_dep = declare_dependency(
diff --git a/src/libsysprof-ui/sysprof-ui.h b/src/libsysprof-ui/sysprof-ui.h
index f8f4830f..bfe93f24 100644
--- a/src/libsysprof-ui/sysprof-ui.h
+++ b/src/libsysprof-ui/sysprof-ui.h
@@ -25,7 +25,8 @@
 
 G_BEGIN_DECLS
 
-#define SYSPROF_INSIDE
+#define SYSPROF_UI_INSIDE
+
 # include "sp-callgraph-view.h"
 # include "sp-cell-renderer-percent.h"
 # include "sp-cpu-visualizer-row.h"
@@ -42,7 +43,8 @@ G_BEGIN_DECLS
 # include "sp-visualizer-row.h"
 # include "sp-visualizer-view.h"
 # include "sp-zoom-manager.h"
-#undef SYSPROF_INSIDE
+
+#undef SYSPROF_UI_INSIDE
 
 G_END_DECLS