diff --git a/src/cmdlib.cpp b/src/cmdlib.cpp
index 3a3d2876d..5799a2342 100644
--- a/src/cmdlib.cpp
+++ b/src/cmdlib.cpp
@@ -632,7 +632,10 @@ int strbin (char *str)
 						if (*p >= '0' && *p <= '7')
 							c += *p-'0';
 						else
+						{
+							p--;
 							break;
+						}
 						p++;
 					}
 					*str++ = c;
@@ -732,7 +735,10 @@ FString strbin1 (const char *start)
 						if (*p >= '0' && *p <= '7')
 							c += *p-'0';
 						else
+						{
+							p--;
 							break;
+						}
 						p++;
 					}
 					result << c;
diff --git a/src/scripting/zscript/zcc_compile.cpp b/src/scripting/zscript/zcc_compile.cpp
index f52976512..889cdb5fd 100644
--- a/src/scripting/zscript/zcc_compile.cpp
+++ b/src/scripting/zscript/zcc_compile.cpp
@@ -1676,13 +1676,10 @@ void ZCCCompiler::DispatchProperty(FPropertyInfo *prop, ZCC_PropertyStmt *proper
 			case 'C':	// this parser accepts colors only in string form.
 				pref.i = 1;
 			case 'S':
+			case 'T': // a filtered string (ZScript only parses filtered strings so there's nothing to do here.)
 				conv.s = GetString(exp);
 				break;
 
-			case 'T': // a filtered string
-				conv.s = strings[strings.Reserve(1)] = strbin1(GetString(exp));
-				break;
-
 			case 'L':	// Either a number or a list of strings
 				if (!GetString(exp, true))
 				{