diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 8f604e782..3feafc99e 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -3377,6 +3377,9 @@ enum EACSFunctions
 	ACSF_ACS_NamedExecuteAlways,
 	ACSF_UniqueTID,
 	ACSF_IsTIDUsed,
+	ACSF_Sqrt,
+	ACSF_FixedSqrt,
+	ACSF_VectorLength,
 
 	// ZDaemon
 	ACSF_GetTeamScore = 19620,
@@ -3901,6 +3904,15 @@ int DLevelScript::CallFunction(int argCount, int funcIndex, SDWORD *args)
 			return P_IsTIDUsed(args[0]);
 			break;
 
+		case ACSF_Sqrt:
+			return xs_FloorToInt(sqrt(double(args[0])));
+
+		case ACSF_FixedSqrt:
+			return FLOAT2FIXED(sqrt(FIXED2DBL(args[0])));
+
+		case ACSF_VectorLength:
+			return FLOAT2FIXED(TVector2<double>(FIXED2DBL(args[0]), FIXED2DBL(args[1])).Length());
+
 		default:
 			break;
 	}
@@ -6560,14 +6572,6 @@ scriptwait:
 			translation = NULL;
 			break;
 
-		case PCD_SQRT:
-			STACK(1) = xs_FloorToInt(sqrt(double(STACK(1))));
-			break;
-
-		case PCD_FIXEDSQRT:
-			STACK(1) = FLOAT2FIXED(sqrt(FIXED2DBL(STACK(1))));
-			break;
-
 		case PCD_SIN:
 			STACK(1) = finesine[angle_t(STACK(1)<<16)>>ANGLETOFINESHIFT];
 			break;
@@ -6581,11 +6585,6 @@ scriptwait:
 			sp--;
 			break;
 
-		case PCD_VECTORLENGTH:
-			STACK(2) = FLOAT2FIXED(TVector2<double>(FIXED2DBL(STACK(2)), FIXED2DBL(STACK(1))).Length());
-			sp--;
-			break;
-
         case PCD_CHECKWEAPON:
             if (activator == NULL || activator->player == NULL || // Non-players do not have weapons
                 activator->player->ReadyWeapon == NULL)
diff --git a/src/p_acs.h b/src/p_acs.h
index 04384dd73..d2ae2038b 100644
--- a/src/p_acs.h
+++ b/src/p_acs.h
@@ -602,11 +602,8 @@ public:
 /*360*/	PCD_CALLSTACK,			// from Eternity
 		PCD_SCRIPTWAITNAMED,
 		PCD_TRANSLATIONRANGE3,
-		PCD_SQRT,
-		PCD_FIXEDSQRT,
-		PCD_VECTORLENGTH,
 
-/*361*/	PCODE_COMMAND_COUNT
+/*363*/	PCODE_COMMAND_COUNT
 	};
 
 	// Some constants used by ACS scripts