diff --git a/src/input.cpp b/src/input.cpp
index 8108bcba378..5965db7256c 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -1452,10 +1452,10 @@ namespace input {
     short deltaY;
 
     // Batching is safe as long as the result doesn't overflow a 16-bit integer
-    if (!__builtin_add_overflow(util::endian::big(dest->deltaX), util::endian::big(src->deltaX), &deltaX)) {
+    if (__builtin_add_overflow(util::endian::big(dest->deltaX), util::endian::big(src->deltaX), &deltaX)) {
       return batch_result_e::terminate_batch;
     }
-    if (!__builtin_add_overflow(util::endian::big(dest->deltaY), util::endian::big(src->deltaY), &deltaY)) {
+    if (__builtin_add_overflow(util::endian::big(dest->deltaY), util::endian::big(src->deltaY), &deltaY)) {
       return batch_result_e::terminate_batch;
     }
 
@@ -1492,7 +1492,7 @@ namespace input {
     short scrollAmt;
 
     // Batching is safe as long as the result doesn't overflow a 16-bit integer
-    if (!__builtin_add_overflow(util::endian::big(dest->scrollAmt1), util::endian::big(src->scrollAmt1), &scrollAmt)) {
+    if (__builtin_add_overflow(util::endian::big(dest->scrollAmt1), util::endian::big(src->scrollAmt1), &scrollAmt)) {
       return batch_result_e::terminate_batch;
     }
 
@@ -1512,7 +1512,7 @@ namespace input {
     short scrollAmt;
 
     // Batching is safe as long as the result doesn't overflow a 16-bit integer
-    if (!__builtin_add_overflow(util::endian::big(dest->scrollAmount), util::endian::big(src->scrollAmount), &scrollAmt)) {
+    if (__builtin_add_overflow(util::endian::big(dest->scrollAmount), util::endian::big(src->scrollAmount), &scrollAmt)) {
       return batch_result_e::terminate_batch;
     }