diff --git a/WINGs/configuration.c b/WINGs/configuration.c
index 8e53ba6e..0aaf31a4 100644
--- a/WINGs/configuration.c
+++ b/WINGs/configuration.c
@@ -6,8 +6,8 @@
 
 _WINGsConfiguration WINGsConfiguration;
 
-#define SYSTEM_FONT "Trebuchet MS,sans serif"
-#define BOLD_SYSTEM_FONT "Trebuchet MS,sans serif:bold"
+#define SYSTEM_FONT "sans serif"
+#define BOLD_SYSTEM_FONT "sans serif:bold"
 #define DEFAULT_FONT_SIZE 12
 
 #define FLOPPY_PATH "/floppy"
diff --git a/src/wconfig.h.in b/src/wconfig.h.in
index c2a79a35..bb267fe2 100644
--- a/src/wconfig.h.in
+++ b/src/wconfig.h.in
@@ -164,13 +164,13 @@
 #define DEF_FRAME_COLOR   "white"
 
 /* default fonts */
-#define DEF_TITLE_FONT          "\"Trebuchet MS,sans serif:bold:pixelsize=12\""
-#define DEF_MENU_TITLE_FONT     "\"Trebuchet MS,sans serif:bold:pixelsize=12\""
-#define DEF_MENU_ENTRY_FONT     "\"Trebuchet MS,sans serif:pixelsize=12\""
-#define DEF_ICON_TITLE_FONT     "\"Arial,sans serif:pixelsize=9\""
-#define DEF_CLIP_TITLE_FONT     "\"Verdana:bold:pixelsize=10\""
-#define DEF_INFO_TEXT_FONT      "\"Trebuchet MS,sans serif:pixelsize=12\""
-#define DEF_WORKSPACE_NAME_FONT "\"Trebuchet MS,sans serif:pixelsize=24\""
+#define DEF_TITLE_FONT          "\"sans-serif:bold:pixelsize=12\""
+#define DEF_MENU_TITLE_FONT     "\"sans-serif:bold:pixelsize=12\""
+#define DEF_MENU_ENTRY_FONT     "\"sans-serif:pixelsize=12\""
+#define DEF_ICON_TITLE_FONT     "\"sans-serif:pixelsize=9\""
+#define DEF_CLIP_TITLE_FONT     "\"sans-serif:bold:pixelsize=10\""
+#define DEF_INFO_TEXT_FONT      "\"sans-serif:pixelsize=12\""
+#define DEF_WORKSPACE_NAME_FONT "\"sans-serif:pixelsize=24\""
 
 /* line width of the move/resize frame */
 #define DEF_FRAME_THICKNESS              1