diff --git a/src/scripting/backend/dynarrays.cpp b/src/scripting/backend/dynarrays.cpp
index 0152c65205..fecb3185a4 100644
--- a/src/scripting/backend/dynarrays.cpp
+++ b/src/scripting/backend/dynarrays.cpp
@@ -97,7 +97,7 @@ DEFINE_ACTION_FUNCTION(FDynArray_I8, Delete)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FDynArray_I8);
 	PARAM_INT(index);
-	PARAM_INT(count);
+	PARAM_INT_DEF(count);
 	self->Delete(index, count);
 	return 0;
 }
@@ -200,7 +200,7 @@ DEFINE_ACTION_FUNCTION(FDynArray_I16, Delete)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FDynArray_I16);
 	PARAM_INT(index);
-	PARAM_INT(count);
+	PARAM_INT_DEF(count);
 	self->Delete(index, count);
 	return 0;
 }
@@ -303,7 +303,7 @@ DEFINE_ACTION_FUNCTION(FDynArray_I32, Delete)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FDynArray_I32);
 	PARAM_INT(index);
-	PARAM_INT(count);
+	PARAM_INT_DEF(count);
 	self->Delete(index, count);
 	return 0;
 }
@@ -406,7 +406,7 @@ DEFINE_ACTION_FUNCTION(FDynArray_F32, Delete)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FDynArray_F32);
 	PARAM_INT(index);
-	PARAM_INT(count);
+	PARAM_INT_DEF(count);
 	self->Delete(index, count);
 	return 0;
 }
@@ -509,7 +509,7 @@ DEFINE_ACTION_FUNCTION(FDynArray_F64, Delete)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FDynArray_F64);
 	PARAM_INT(index);
-	PARAM_INT(count);
+	PARAM_INT_DEF(count);
 	self->Delete(index, count);
 	return 0;
 }
@@ -612,7 +612,7 @@ DEFINE_ACTION_FUNCTION(FDynArray_Ptr, Delete)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FDynArray_Ptr);
 	PARAM_INT(index);
-	PARAM_INT(count);
+	PARAM_INT_DEF(count);
 	self->Delete(index, count);
 	return 0;
 }
@@ -716,7 +716,7 @@ DEFINE_ACTION_FUNCTION(FDynArray_String, Delete)
 {
 	PARAM_SELF_STRUCT_PROLOGUE(FDynArray_String);
 	PARAM_INT(index);
-	PARAM_INT(count);
+	PARAM_INT_DEF(count);
 	self->Delete(index, count);
 	return 0;
 }