diff --git a/lib/libimhex/include/hex/data_processor/node.hpp b/lib/libimhex/include/hex/data_processor/node.hpp
index cdfa202d1..168e11581 100644
--- a/lib/libimhex/include/hex/data_processor/node.hpp
+++ b/lib/libimhex/include/hex/data_processor/node.hpp
@@ -109,6 +109,10 @@ namespace hex::dp {
                 throwNodeError("Recursion detected!");
         }
 
+        void unmarkInputProcessed(u32 index) {
+            this->m_processedInputs.erase(index);
+        }
+
     protected:
         [[noreturn]] void throwNodeError(const std::string &message) {
             throw NodeError { this, message };
diff --git a/lib/libimhex/source/data_processor/node.cpp b/lib/libimhex/source/data_processor/node.cpp
index fb5a2dc72..a636631ef 100644
--- a/lib/libimhex/source/data_processor/node.cpp
+++ b/lib/libimhex/source/data_processor/node.cpp
@@ -29,6 +29,7 @@ namespace hex::dp {
 
         markInputProcessed(index);
         attribute->getParentNode()->process();
+        unmarkInputProcessed(index);
 
         auto &outputData = attribute->getOutputData();
 
@@ -48,6 +49,7 @@ namespace hex::dp {
 
                 markInputProcessed(index);
                 attribute->getParentNode()->process();
+                unmarkInputProcessed(index);
 
                 return attribute->getOutputData();
             } else {
@@ -74,6 +76,7 @@ namespace hex::dp {
 
                 markInputProcessed(index);
                 attribute->getParentNode()->process();
+                unmarkInputProcessed(index);
 
                 return attribute->getOutputData();
             } else {