diff --git a/src/ObjMatrix.h b/src/ObjMatrix.h
index 9208e9a..5af5dfb 100644
--- a/src/ObjMatrix.h
+++ b/src/ObjMatrix.h
@@ -22,3 +22,5 @@
 
 #import "MTXClient.h"
 #import "MTXRequest.h"
+
+#import "MTXLoginFailedException.h"
diff --git a/tests/Makefile b/tests/Makefile
index 5e991d3..16a1342 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -40,6 +40,6 @@ run:
 
 ${PROG_NOINST}: ${LIBOBJMATRIX_DEP}
 
-CPPFLAGS += -I../src
+CPPFLAGS += -I../src -I../src/exceptions
 LIBS := -L../src -lobjmatrix ${LIBS}
 LD = ${OBJC}
diff --git a/tests/tests.m b/tests/tests.m
index fcf7f89..a9d8110 100644
--- a/tests/tests.m
+++ b/tests/tests.m
@@ -22,7 +22,7 @@
 
 #import <ObjFW/ObjFW.h>
 
-#import "MTXClient.h"
+#import "ObjMatrix.h"
 
 @interface Tests: OFObject <OFApplicationDelegate>
 @end
@@ -50,6 +50,10 @@ OF_APPLICATION_DELEGATE(Tests)
 		if (exception != nil) {
 			[of_stdout writeFormat: @"Error logging in: %@\n",
 						exception];
+			if ([exception isKindOfClass:
+			    MTXLoginFailedException.class])
+				[of_stdout writeFormat: @"Response: %@\n",
+							[exception response]];
 			[OFApplication terminateWithStatus: 1];
 		}