diff --git a/src/ld65/cfg/apple2-overlay.cfg b/src/ld65/cfg/apple2-overlay.cfg
index 0fcfe4a2a..f77c27f2b 100644
--- a/src/ld65/cfg/apple2-overlay.cfg
+++ b/src/ld65/cfg/apple2-overlay.cfg
@@ -71,5 +71,6 @@ FEATURES {
     CONDES: segment = RODATA,
             type    = interruptor,
             label   = __INTERRUPTOR_TABLE__,
-            count   = __INTERRUPTOR_COUNT__;
+            count   = __INTERRUPTOR_COUNT__,
+            import  = __CALLIRQ__;
 }
diff --git a/src/ld65/cfg/apple2-system.cfg b/src/ld65/cfg/apple2-system.cfg
index 34fc3e85a..bd0b328d3 100644
--- a/src/ld65/cfg/apple2-system.cfg
+++ b/src/ld65/cfg/apple2-system.cfg
@@ -38,5 +38,6 @@ FEATURES {
     CONDES: segment = RODATA,
             type    = interruptor,
             label   = __INTERRUPTOR_TABLE__,
-            count   = __INTERRUPTOR_COUNT__;
+            count   = __INTERRUPTOR_COUNT__,
+            import  = __CALLIRQ__;
 }
diff --git a/src/ld65/cfg/c64-overlay.cfg b/src/ld65/cfg/c64-overlay.cfg
index 5995ce28a..09eedb4f2 100644
--- a/src/ld65/cfg/c64-overlay.cfg
+++ b/src/ld65/cfg/c64-overlay.cfg
@@ -43,15 +43,16 @@ SEGMENTS {
 }
 FEATURES {
     CONDES: segment = INIT,
-	    type    = constructor,
-	    label   = __CONSTRUCTOR_TABLE__,
-	    count   = __CONSTRUCTOR_COUNT__;
+            type    = constructor,
+            label   = __CONSTRUCTOR_TABLE__,
+            count   = __CONSTRUCTOR_COUNT__;
     CONDES: segment = RODATA,
-	    type    = destructor,
-	    label   = __DESTRUCTOR_TABLE__,
-	    count   = __DESTRUCTOR_COUNT__;
+            type    = destructor,
+            label   = __DESTRUCTOR_TABLE__,
+            count   = __DESTRUCTOR_COUNT__;
     CONDES: segment = RODATA,
-	    type    = interruptor,
-	    label   = __INTERRUPTOR_TABLE__,
-	    count   = __INTERRUPTOR_COUNT__;
+            type    = interruptor,
+            label   = __INTERRUPTOR_TABLE__,
+            count   = __INTERRUPTOR_COUNT__,
+            import  = __CALLIRQ__;
 }