diff --git a/adept/adept/quickfilter.h b/adept/adept/quickfilter.h
index 85dec24..c3b3a7f 100644
--- a/adept/adept/quickfilter.h
+++ b/adept/adept/quickfilter.h
@@ -15,8 +15,8 @@
 #include <adept/lister.h>
 #include <adept/utils.h>
 
-#ifndef EPT_TQUICKFILTER_H
-#define EPT_TQUICKFILTER_H
+#ifndef EPT_QUICKFILTER_H
+#define EPT_QUICKFILTER_H
 
 class KLineEdit;
 
diff --git a/adept/libadept/quickfilter.h b/adept/libadept/quickfilter.h
index 85dec24..c3b3a7f 100644
--- a/adept/libadept/quickfilter.h
+++ b/adept/libadept/quickfilter.h
@@ -15,8 +15,8 @@
 #include <adept/lister.h>
 #include <adept/utils.h>
 
-#ifndef EPT_TQUICKFILTER_H
-#define EPT_TQUICKFILTER_H
+#ifndef EPT_QUICKFILTER_H
+#define EPT_QUICKFILTER_H
 
 class KLineEdit;