diff --git a/code/modules/wiremod/components/math/arithmetic.dm b/code/modules/wiremod/components/math/arithmetic.dm
index 083616f1e0e..20474ec9492 100644
--- a/code/modules/wiremod/components/math/arithmetic.dm
+++ b/code/modules/wiremod/components/math/arithmetic.dm
@@ -2,6 +2,7 @@
 #define COMP_ARITHMETIC_SUBTRACT "Subtract"
 #define COMP_ARITHMETIC_MULTIPLY "Multiply"
 #define COMP_ARITHMETIC_DIVIDE "Divide"
+#define COMP_ARITHMETIC_MODULO "Modulo"
 #define COMP_ARITHMETIC_MIN "Minimum"
 #define COMP_ARITHMETIC_MAX "Maximum"
 
@@ -34,6 +35,7 @@
 		COMP_ARITHMETIC_SUBTRACT,
 		COMP_ARITHMETIC_MULTIPLY,
 		COMP_ARITHMETIC_DIVIDE,
+		COMP_ARITHMETIC_MODULO,
 		COMP_ARITHMETIC_MIN,
 		COMP_ARITHMETIC_MAX,
 	)
@@ -75,6 +77,8 @@
 					result = null
 					break
 				result /= value
+			if(COMP_ARITHMETIC_MODULO)
+				result %= value
 			if(COMP_ARITHMETIC_MAX)
 				result = max(result, value)
 			if(COMP_ARITHMETIC_MIN)
@@ -86,5 +90,6 @@
 #undef COMP_ARITHMETIC_SUBTRACT
 #undef COMP_ARITHMETIC_MULTIPLY
 #undef COMP_ARITHMETIC_DIVIDE
+#undef COMP_ARITHMETIC_MODULO
 #undef COMP_ARITHMETIC_MIN
 #undef COMP_ARITHMETIC_MAX